U.S. public vehicle records

Thor Motor Coach PALAZZO problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

43 owner complaints analyzed

12 distinct recall campaigns

14,750 mi median reported failure mileage

Scope: 2013 to 2023 model years. Data updated: 2026-10-01 (October 1, 2026). 16 complaints include usable failure mileage. View data status.

Owner-reported patterns

Most common problems

Visibility/Wiper is the most frequently named component, appearing in 15 of 43 complaints (34.9%). A complaint can name multiple components.

Recurring terms in complaint narratives
Topic	Matching reports	Share of complaints
Braking behavior	3	7.0%
Engine operation	1	2.3%
Electrical and battery issues	1	2.3%
Steering behavior	1	2.3%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Visibility/Wiper

Unknown Or Other

Structure:Body

Exterior Lighting

Equipment:Recreational Vehicle/Trailer

Structure

Visibility:Glass, Side/Rear

Electrical System

Component breakdown data
Category	Count
Visibility/Wiper	15
Unknown Or Other	11
Structure:Body	10
Exterior Lighting	4
Equipment:Recreational Vehicle/Trailer	3
Structure	3
Visibility:Glass, Side/Rear	2
Electrical System	1

Visibility/Wiper: 15; Unknown Or Other: 11; Structure:Body: 10; Exterior Lighting: 4; Equipment:Recreational Vehicle/Trailer: 3; Structure: 3; Visibility:Glass, Side/Rear: 2; Electrical System: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000

25,000 to 49,999

50,000 to 74,999

75,000 to 99,999

100,000 to 149,999

150,000 and above

Under 25,000: 12; 25,000 to 49,999: 3; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0

Under 25,000 miles has the most reports with usable mileage (12). 27 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

2013

2015

2018

2019

2020

2021

2022

2023

2024

2025

2026

2013: 1; 2015: 1; 2018: 3; 2019: 2; 2020: 8; 2021: 6; 2022: 4; 2023: 5; 2024: 8; 2025: 4; 2026: 1

Pattern summary

Visibility/Wiper leads the component reports. Braking behavior appears in 3 complaint narratives. Engine operation appears in 1 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 11074118 · 2018-02-21 (February 21, 2018)

BRAKE LIGHTS DO NOT LIGHT WHEN BRAKE PEDAL IS DEPRESSED. RECALL DOES NOT INCLUDE MY VIN NUMBER. HOWEVER, RECALL INCLUDES MY MANUFACTURED DATE OF OCTOBER 2012. CAMPAIGN NUMBER FL-634.*DT*JB

Owner-reported narrative. 9,500 miles reported. Look up ODI 11074118 at NHTSA ↗

Owner report 11508333 · 2023-02-21 (February 21, 2023)

The contact owns a 2020 Thor Palazzo built on a 2020 Freightliner X line chassis. The contact stated that while driving approximately 55 MPH during a storm, the air brakes system alarm illuminated. The contact immediately pulled over to the side of the roadway and turned off the RV. The RV was towed to the dealer who informed the contact that the air brake system had a pig tail that led into the transducer that had caused the chord to fracture. The dealer dried the moisture from the area and sprayed the area with silicon. The failure reoccurred…

Owner-reported narrative. 15,000 miles reported. Look up ODI 11508333 at NHTSA ↗

Owner report 11120534 · 2018-08-16 (August 16, 2018)

WHILE DRIVING THE WIPERS STALLED IN THE POURING RAIN. LUCKILY I WAS ABLE TO PULL OVER WITHOUT INCIDENT. I WAITED UNTIL THE RAIN SLOWED AND WHEN I STARTED OUT THE WIPERS STARTED WORKING AGAIN. A FEW MINUTES LATER THE STALLED AGAIN AND WAS ABLE TO PULL INTO A REST STOP. I WAS DOING ABOUT 60 MPH AND BELIEVE MY WIFE AND I WERE FORTUNATE THAT NOTHING TERRIBLE HAPPENED.

Owner-reported narrative. Look up ODI 11120534 at NHTSA ↗

Owner report 11479345 · 2022-08-15 (August 15, 2022)

The contact owns a 2017 Thor Motor Coach Palazzo RV. The contact stated while operating the vehicle, the rear marker light, and the driver side(left turn) signal were inoperable. The vehicle was taken to the local dealer to be serviced under the NHTSA Campaign Number: 21V00H000 (Electrical System, Exterior Lighting) which would address the failures but after the recall remedy was performed the failure persisted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 26,000.

Owner-reported narrative. 26,000 miles reported. Look up ODI 11479345 at NHTSA ↗

Owner report 11291907 · 2019-12-29 (December 29, 2019)

THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.*DT THE CONSUMER PROVIDED PHOTOS. *TR*DT*JB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU…

Owner-reported narrative. 6,000 miles reported. Look up ODI 11291907 at NHTSA ↗

Compare model years

Recalls by model year

All campaigns in the snapshot affecting each model year, including recalls announced years later.

From yearThrough year

Recall campaigns

Shared campaigns appear once in each affected model year.

2013

2014

2015

2016

2017

2018

2019

2020

2021

2022

2023

2013: 4; 2014: 4; 2015: 1; 2016: 1; 2017: 2; 2018: 3; 2019: 4; 2020: 1; 2021: 2; 2022: 1; 2023: 1

First model yearSecond model year

Year-by-year records

Thor Motor Coach PALAZZO model-year comparison
Model year	Complaints	Recalls	Change in recalls
2013	8	4	Not available
2014	7	4	0
2015	0	1	-3
2016	2	1	0
2017	6	2	+1
2018	12	3	+1
2019	1	4	+1
2020	3	1	-3
2021	0	2	+1
2022	4	1	-1
2023	0	1	0

Explore the data

Vehicle analysis explorer

Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.

Data completeness

43 unique complaints in this selection. Analysis snapshot: 2026-10-01.

37.2%Usable mileage16 / 43 records

100.0%Valid incident date43 / 43 records

100.0%Valid filing date43 / 43 records

100.0%Ordered incident and filing dates43 / 43 records

Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.

Problems by model year

Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.

From model yearThrough model year

Component complaint heatmap
Component	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Visibility/Wiper	562.5% ODI 11311947 · 30,000 mi THOR USES HEHR DOUBLE-PANE WINDOWS IN MOST OF THEIR PRODUCTS. THE WINDOWS FREQUENTLY SEPARATE, AND THE GLASS PANES CAN FALL-OUT ON THE ROAD, CREATING A HAZARD. Look up ODI 11311947 at NHTSA ↗	457.1% ODI 11120534 WHILE DRIVING THE WIPERS STALLED IN THE POURING RAIN. LUCKILY I WAS ABLE TO PULL OVER WITHOUT INCIDENT. I WAITED UNTIL THE RAIN SLOWED AND WHEN I STARTED OUT THE WIPERS STARTED WORKING AGAIN. A FEW MINUTES LATER THE STALLED AGAIN AND WAS ABLE TO PULL INTO A REST STOP. I WAS DOING ABOUT 60 MPH AND BELIEVE MY WIFE AND I WERE FORTUNATE THAT NOTHING TERRIBLE HAPPENED. Look up ODI 11120534 at NHTSA ↗	0Unavailable No examples available for this selection.	2100.0% ODI 11582516 Dual pane windows become foggy internally and make the side view mirrors extremely difficult to see especially at night. Look up ODI 11582516 at NHTSA ↗	233.3% ODI 11541771 AS I was driving mr rv. down the road , the rear side window just fell off onto the roadway. I believe the window is made by lippert. On the rv forum there are a lot of people experiencing this same problem. Look up ODI 11541771 at NHTSA ↗	216.7% ODI 11311899 · 4,600 mi DRIVERS SIDE REAR BEDROOM VENT WINDOW HAS DELAMINATED TWICE, FIRST IN OCT. 2019 (REPLACED UNDER WARRANTY) AND AGAIN IN JAN 2020 (STILL AT DEALERSHIP SERVICE AWAITING REPLACEMENT FROM LCI/THOR. BOTH TIMES, I WAS FORTUNATE TO DISCOVER THE SEPARATION BEFORE DRIVING THE VEHICLE DURING MY PRE-TRIP WALKAROUNDS, THUS AVOIDING THE DANGER OF THE OUTER GLASS FLYING OFF THE RV AND INTO TRAFFIC. ALSO IN DEC. 2019, THE FRONT RIGHT (PASSENGER SIDE) FIXED DUAL PANE WINDOW STARTED TO SHOW FOGGING WHEN EXPOSED TO DIRECT SUNLIGHT (NO ACTION TAKEN YET TO REPLA… Look up ODI 11311899 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.
Unknown Or Other	00.0% No examples available for this selection.	114.3% ODI 11342532 · 14,500 mi MY GRANDSON WAS LOCKED IN OUR MOTORHOME BECAUSE THE ONLY DOOR IN OUR COACH BROKE IN HALF INSIDE OUR DOOR. WE HAD TO BREAK A WINDOW ON OUR SLIDE OUT TO GET HIM OUT. REPLACED THE LOCK AND WINDOW AT OUR EXPENSE NOT TO MENTION I HEARD THIS IS AN ONGOING PROBLEM AND SAFETY HAZZARD Look up ODI 11342532 at NHTSA ↗	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	116.7% ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗	866.7% ODI 11311899 · 4,600 mi DRIVERS SIDE REAR BEDROOM VENT WINDOW HAS DELAMINATED TWICE, FIRST IN OCT. 2019 (REPLACED UNDER WARRANTY) AND AGAIN IN JAN 2020 (STILL AT DEALERSHIP SERVICE AWAITING REPLACEMENT FROM LCI/THOR. BOTH TIMES, I WAS FORTUNATE TO DISCOVER THE SEPARATION BEFORE DRIVING THE VEHICLE DURING MY PRE-TRIP WALKAROUNDS, THUS AVOIDING THE DANGER OF THE OUTER GLASS FLYING OFF THE RV AND INTO TRAFFIC. ALSO IN DEC. 2019, THE FRONT RIGHT (PASSENGER SIDE) FIXED DUAL PANE WINDOW STARTED TO SHOW FOGGING WHEN EXPOSED TO DIRECT SUNLIGHT (NO ACTION TAKEN YET TO REPLA… Look up ODI 11311899 at NHTSA ↗	1100.0% ODI 11633262 Driving down the highway and the DEF check engine light came on. It indicated to pull over and shut down immediately. I was on a highway that had long 7% grade hills with minimal places to pull over in arizona mou tain range. I was able to make it home after engine debated. Took to a freightliner dealer and paid 4400.00 to have DEF pump replaced. It turns out that was not the problem. I tried to go on another trip a month later and I hot a low DEF signal. I was told it was a DEF head. Freightliner XCS chassis our having lots of issues with … Look up ODI 11633262 at NHTSA ↗	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.
Structure:Body	00.0% No examples available for this selection.	228.6% ODI 11078987 · 42,000 mi A PART OF THE LOCKING MECHANISM ON THE ONLY DOOR ON THE RV BROKE, EFFECTIVELY TRAPPING US INSIDE THE VEHICLE. THE MANUFACTURER (TRIMARK) IS AWARE OF THIS ISSUE AND NOW MANUFACTURES THE PART OUT OF STEEL INSTEAD OF THE CAST PART THAT FAILED. WE WERE AT A FUEL STATION AND PARKED. WE HAD TO CLIMB OUT A WINDOW WITH TOOLS TO FORCE THE DOOR OPEN. Look up ODI 11078987 at NHTSA ↗	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	583.3% ODI 11315770 · 15,815 mi WHILE DRIVING THE RV, THE WINDOW ABOVE THE SINK SEPARATED. THE WINDOW IS DOUBLE PANED. THE OUTER GLASS PULLED AWAY AND WAS FLAPPING, CAUSING THE INTERIOR GLASS TO ALSO START PULLING AWAY. WE WERE ON A STRETCH OF HIGHWAY THAT WAS BUSY WITH TRUCKS, APPROX 6:30PM (DARK), 2 LANES EASTBOUND I-40 IN CALIFORNIA. THERE WERE NO EXITS FOR 20-25 MILES AFTER THE INCIDENT BEGAN. THE WINDOW CONTINUED TO BANG AND PULL AWAY THE ENTIRE DRIVE. THE PULL FROM THE WIND THREATENED TO COMPLETELY SEPARATE THE WINDOW ASSEMBLY FROM THE RV. THE HIGHWAY SHOULDER WA… Look up ODI 11315770 at NHTSA ↗	18.3% ODI 11598796 Hello NTSB, the frameless windows Thor used on my rv are all failing.. basically the adhesive used to glue the bottom rail onto the glass keeps failing. This week I had two windows fail. The top bunk window, and the emergency exit window. Both window (at separate times) failed while driving. Lucky I saw them break loose and my wife was able to grab the window before it flew off on the freeway and possibly caused a major accident or injury with flying glass at freeway speed. Again this is the 4th window failure in the last 3 years. All with th… Look up ODI 11598796 at NHTSA ↗	00.0% No examples available for this selection.	133.3% ODI 11434764 The lower passenger side bracket between the fiberglass front of the body and the freightliner frame has released from the frame and is in danger of falling off. If this thing did come off and go bouncing down the road it could do some real damage. Noticed after other owners warned about the problem online. Look up ODI 11434764 at NHTSA ↗	0Unavailable No examples available for this selection.	125.0% ODI 11494085 The Thor Palazzo has 2 braces in the front "nose" area of the coach-these braces are metal brackets that attach the front fiberglass nose to the area that contains the generator and fans for the air conditioner and other front-end components. These braces attach at both ends: the front part of the brace attaches w/ screws to a piece of wood that is then screwed into the fiberglass on the very front of the motorhome. The back side of the brace is attached w/ screws to a metal piece. This bracket acts as a support to the front windshield of the c… Look up ODI 11494085 at NHTSA ↗	0Unavailable No examples available for this selection.
Exterior Lighting	225.0% ODI 10679891 · 7,000 mi A FRIEND ON AN RV TOUR LET ME KNOW THAT MY RUNNING LIGHTS ON THE SIDE OF THE RV BLINK ON THE RIGHT SIDE WHEN YOU TURN ON THE LEFT TURN SIGNAL AND ON THE LEFT SIDE WHEN YOU TURN ON RIGHT TURN SIGNAL, THEY ARE WIRED IN REVERSE. I HAVE CONTACTED THOR AND THEY REFUSE TO CORRECT THE SAFETY ISSUE EVEN THOUGH THERE IS A POSSIBILITY OF THIS CAUSING AN ACCIDENT. *TR Look up ODI 10679891 at NHTSA ↗	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	116.7% ODI 11479345 · 26,000 mi The contact owns a 2017 Thor Motor Coach Palazzo RV. The contact stated while operating the vehicle, the rear marker light, and the driver side(left turn) signal were inoperable. The vehicle was taken to the local dealer to be serviced under the NHTSA Campaign Number: 21V00H000 (Electrical System, Exterior Lighting) which would address the failures but after the recall remedy was performed the failure persisted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 26,000. Look up ODI 11479345 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	133.3% ODI 11615219 The EATON Power Distribution Modual P\N A66-05172-00 (S\N 18108065) in my motorhome was in a recall associated with the failed rear tail lights, rear turn signals, brack lights, running lights and failure of towed vehicle lights plug. The modual was repaired as a result of the recall and was working properly. The repaired Modual failed again in less than 1000 miles driven resulting in no passenger tail light, no brake lights, no running lights, and no function of the towed vehicle lights plug. The recall on my PDM P\N A66-05172-00 was not succ… Look up ODI 11615219 at NHTSA ↗	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.
Equipment:Recreational Vehicle/Trailer	112.5% ODI 10515255 2013 THOR PALAZZO. CONSUMER WRITES IN REGARDS TO VEHICLE WATER LINE ISSUES AND PROBLEMS WITH TIRES. *SMD THE CONSUMER STATED THE RV WAS DELIVERED TO HIM WITH OUT OF ROUND. AN IMMEDIATE BREAK IN THE WATER LINE OCCURRED A WEEK AFTER PURCHASING THE RV. THE CONSUMER ALSO STATED WHEN DRIVING THE RV, THE RIDE WAS HORRIBLE, ROUGH AND EXTREMELY NOISY, AS WELL AS HARD TO HANDLE. THE CONSUMER LATER LEARNED IT WAS DUE TO THE OUT OF ROUND TIRES. Look up ODI 10515255 at NHTSA ↗	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	216.7% ODI 11291907 · 6,000 mi THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.DT THE CONSUMER PROVIDED PHOTOS. TRDTJB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU… Look up ODI 11291907 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.
Structure	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	216.7% ODI 11291907 · 6,000 mi THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.DT THE CONSUMER PROVIDED PHOTOS. TRDTJB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU… Look up ODI 11291907 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	125.0% ODI 11688342 · 13,160 mi The contact owns a 2022 Thor Motor Coach Pallazo RV built on a 2022 Freightliner XC-S Chassis. The contact stated that while driving approximately 55-60 MPH, the front cap was shuddering, and the contact noticed that the windshield was abnormally moving from side to side. Additionally, a prior crack on the windshield was expanding due to the failure. The contact stated that upon arriving at the residence, the contact became aware that the windshield had cracked significantly. The RV was taken to an Auto Glass Shop, and the windshield was repla… Look up ODI 11688342 at NHTSA ↗	0Unavailable No examples available for this selection.
Visibility:Glass, Side/Rear	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	216.7% ODI 11624209 MY 2018 THOR PALAZZO DRIVERSIDE AND PASSENGER SIDE WINDOWS HAVE FOGGED UP TO WHERE IT IS VERY HARD TO SEE OUT OF AND HAS BECOME A SAFETY CONCERN. Look up ODI 11624209 at NHTSA ↗	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.
Electrical System	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	133.3% ODI 11615219 The EATON Power Distribution Modual P\N A66-05172-00 (S\N 18108065) in my motorhome was in a recall associated with the failed rear tail lights, rear turn signals, brack lights, running lights and failure of towed vehicle lights plug. The modual was repaired as a result of the recall and was working properly. The repaired Modual failed again in less than 1000 miles driven resulting in no passenger tail light, no brake lights, no running lights, and no function of the towed vehicle lights plug. The recall on my PDM P\N A66-05172-00 was not succ… Look up ODI 11615219 at NHTSA ↗	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.

Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.

Failure mileage by component

Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.

Component failure mileage distribution
Component	Mileage range (25th–75th percentile)	Median	Usable records	Examples
Visibility/Wiper	Too few reports for a range	22,850 mi	4 (sparse)	ODI 11311947 · 30,000 mi THOR USES HEHR DOUBLE-PANE WINDOWS IN MOST OF THEIR PRODUCTS. THE WINDOWS FREQUENTLY SEPARATE, AND THE GLASS PANES CAN FALL-OUT ON THE ROAD, CREATING A HAZARD. Look up ODI 11311947 at NHTSA ↗ ODI 11366302 · 74,000 mi VISIBILITY THROUGH FRONT STATIONARY PORTION OF DRIVER'S SIDE WINDOW IS COMPROMISED DUE TO INTERNAL "FOGGING" OF TWO-PANE GLASS WINDOW. REAR PORTION OF WINDOW SLIDES FORE AND AFT. AT SOME SUN ANGLES THIS FOGGING OBSCURES DRIVER'S VIEW OF LEFT SIDE MIRROR MAKING VIEW OF ONCOMING/PASSING TRAFFIC DIFFICULT. Look up ODI 11366302 at NHTSA ↗ ODI 11209707 · 15,700 mi THE DRIVER'S SIDE WINDOW IS A DOUBLE PANE GAS SEALED TYPE. THE DOUBLE PANE SEAL HAS FAILED AND THE WINDOW HAS BECOME OPAQUE. IT HAS BECOME VERY DIFFICULT TO SEE THROUGH THIS WINDOW. FROM A SAFETY STAND POINT THIS FAILURE IS CAUSING AN INABILITY TO VIEW THE SIDE VIEW MIRROR ON THE DRIVERS SIDE. IN DIRECT SUNLIGHT THE SIDE VIEW MIRROR BECOMES ALMOST INVISIBLE. Look up ODI 11209707 at NHTSA ↗
Unknown Or Other	Too few reports for a range	9,550 mi	2 (sparse)	ODI 11342532 · 14,500 mi MY GRANDSON WAS LOCKED IN OUR MOTORHOME BECAUSE THE ONLY DOOR IN OUR COACH BROKE IN HALF INSIDE OUR DOOR. WE HAD TO BREAK A WINDOW ON OUR SLIDE OUT TO GET HIM OUT. REPLACED THE LOCK AND WINDOW AT OUR EXPENSE NOT TO MENTION I HEARD THIS IS AN ONGOING PROBLEM AND SAFETY HAZZARD Look up ODI 11342532 at NHTSA ↗ ODI 11311899 · 4,600 mi DRIVERS SIDE REAR BEDROOM VENT WINDOW HAS DELAMINATED TWICE, FIRST IN OCT. 2019 (REPLACED UNDER WARRANTY) AND AGAIN IN JAN 2020 (STILL AT DEALERSHIP SERVICE AWAITING REPLACEMENT FROM LCI/THOR. BOTH TIMES, I WAS FORTUNATE TO DISCOVER THE SEPARATION BEFORE DRIVING THE VEHICLE DURING MY PRE-TRIP WALKAROUNDS, THUS AVOIDING THE DANGER OF THE OUTER GLASS FLYING OFF THE RV AND INTO TRAFFIC. ALSO IN DEC. 2019, THE FRONT RIGHT (PASSENGER SIDE) FIXED DUAL PANE WINDOW STARTED TO SHOW FOGGING WHEN EXPOSED TO DIRECT SUNLIGHT (NO ACTION TAKEN YET TO REPLA… Look up ODI 11311899 at NHTSA ↗
Structure:Body	Too few reports for a range	13,908 mi	4 (sparse)	ODI 11078987 · 42,000 mi A PART OF THE LOCKING MECHANISM ON THE ONLY DOOR ON THE RV BROKE, EFFECTIVELY TRAPPING US INSIDE THE VEHICLE. THE MANUFACTURER (TRIMARK) IS AWARE OF THIS ISSUE AND NOW MANUFACTURES THE PART OUT OF STEEL INSTEAD OF THE CAST PART THAT FAILED. WE WERE AT A FUEL STATION AND PARKED. WE HAD TO CLIMB OUT A WINDOW WITH TOOLS TO FORCE THE DOOR OPEN. Look up ODI 11078987 at NHTSA ↗ ODI 11315770 · 15,815 mi WHILE DRIVING THE RV, THE WINDOW ABOVE THE SINK SEPARATED. THE WINDOW IS DOUBLE PANED. THE OUTER GLASS PULLED AWAY AND WAS FLAPPING, CAUSING THE INTERIOR GLASS TO ALSO START PULLING AWAY. WE WERE ON A STRETCH OF HIGHWAY THAT WAS BUSY WITH TRUCKS, APPROX 6:30PM (DARK), 2 LANES EASTBOUND I-40 IN CALIFORNIA. THERE WERE NO EXITS FOR 20-25 MILES AFTER THE INCIDENT BEGAN. THE WINDOW CONTINUED TO BANG AND PULL AWAY THE ENTIRE DRIVE. THE PULL FROM THE WIND THREATENED TO COMPLETELY SEPARATE THE WINDOW ASSEMBLY FROM THE RV. THE HIGHWAY SHOULDER WA… Look up ODI 11315770 at NHTSA ↗ ODI 11343363 · 12,000 mi WHEN PARKED IN A PARKING LOT AFTER A 1HR DRIVE, THE ONLY EXIT DOOR THE VEHICLE HAS DID NOT OPEN, PREVENTING US FROM EXITING THE VEHICLE. OTHER CAMPERS PARKED IN THE SAME LOT WERE UNABLE TO OPEN THE DOOR FORM THE OUTSIDE BUT ABLE TO HAND ME TOOLS TO TAKE THE LOCK APART FROM THE INSIDE AND OPEN THE DOOR USING PLIERS AND A SCREW DRIVER. THE DOOR LATCH MADE OF A ZINC OR SIMILAR DIE CASTING HAND BROKEN IN HALF PREVENTING THE RETRACTION OF THE LATCH AND KEEPING THE DOOR LATCHED. Look up ODI 11343363 at NHTSA ↗
Exterior Lighting	Too few reports for a range	9,500 mi	3 (sparse)	ODI 10679891 · 7,000 mi A FRIEND ON AN RV TOUR LET ME KNOW THAT MY RUNNING LIGHTS ON THE SIDE OF THE RV BLINK ON THE RIGHT SIDE WHEN YOU TURN ON THE LEFT TURN SIGNAL AND ON THE LEFT SIDE WHEN YOU TURN ON RIGHT TURN SIGNAL, THEY ARE WIRED IN REVERSE. I HAVE CONTACTED THOR AND THEY REFUSE TO CORRECT THE SAFETY ISSUE EVEN THOUGH THERE IS A POSSIBILITY OF THIS CAUSING AN ACCIDENT. TR Look up ODI 10679891 at NHTSA ↗ ODI 11074118 · 9,500 mi BRAKE LIGHTS DO NOT LIGHT WHEN BRAKE PEDAL IS DEPRESSED. RECALL DOES NOT INCLUDE MY VIN NUMBER. HOWEVER, RECALL INCLUDES MY MANUFACTURED DATE OF OCTOBER 2012. CAMPAIGN NUMBER FL-634.DT*JB Look up ODI 11074118 at NHTSA ↗ ODI 11479345 · 26,000 mi The contact owns a 2017 Thor Motor Coach Palazzo RV. The contact stated while operating the vehicle, the rear marker light, and the driver side(left turn) signal were inoperable. The vehicle was taken to the local dealer to be serviced under the NHTSA Campaign Number: 21V00H000 (Electrical System, Exterior Lighting) which would address the failures but after the recall remedy was performed the failure persisted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 26,000. Look up ODI 11479345 at NHTSA ↗
Equipment:Recreational Vehicle/Trailer	Too few reports for a range	6,000 mi	1 (sparse)	ODI 11291907 · 6,000 mi THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.DT THE CONSUMER PROVIDED PHOTOS. TRDTJB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU… Look up ODI 11291907 at NHTSA ↗
Structure	Too few reports for a range	9,580 mi	2 (sparse)	ODI 11291907 · 6,000 mi THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.DT THE CONSUMER PROVIDED PHOTOS. TRDTJB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU… Look up ODI 11291907 at NHTSA ↗ ODI 11688342 · 13,160 mi The contact owns a 2022 Thor Motor Coach Pallazo RV built on a 2022 Freightliner XC-S Chassis. The contact stated that while driving approximately 55-60 MPH, the front cap was shuddering, and the contact noticed that the windshield was abnormally moving from side to side. Additionally, a prior crack on the windshield was expanding due to the failure. The contact stated that upon arriving at the residence, the contact became aware that the windshield had cracked significantly. The RV was taken to an Auto Glass Shop, and the windshield was repla… Look up ODI 11688342 at NHTSA ↗

Complaint and recall timeline

Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.

ComponentPeriod

Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.

Monthly counts, recall campaigns and complaint examples

Monthly complaint and recall timeline
Month	Complaints	Campaigns announced	Examples
2024-11	1	None	ODI 11624209 MY 2018 THOR PALAZZO DRIVERSIDE AND PASSENGER SIDE WINDOWS HAVE FOGGED UP TO WHERE IT IS VERY HARD TO SEE OUT OF AND HAS BECOME A SAFETY CONCERN. Look up ODI 11624209 at NHTSA ↗
2024-12	1	None	ODI 11633262 Driving down the highway and the DEF check engine light came on. It indicated to pull over and shut down immediately. I was on a highway that had long 7% grade hills with minimal places to pull over in arizona mou tain range. I was able to make it home after engine debated. Took to a freightliner dealer and paid 4400.00 to have DEF pump replaced. It turns out that was not the problem. I tried to go on another trip a month later and I hot a low DEF signal. I was told it was a DEF head. Freightliner XCS chassis our having lots of issues with … Look up ODI 11633262 at NHTSA ↗
2025-01	2	None	ODI 11635371 The passenger side front window is a 2 pane window and the seal between the 2 panes has failed and the window is fogging up which makes it difficult to see the side mirror on the passenger side of the motorhome. This makes driving difficult with the fogged window. Look up ODI 11635371 at NHTSA ↗ ODI 11635761 Several windows have become delaminated and either foggy which results in significantly reduced visibility while driving or the window becoming loose and potentially falling off while driving. Look up ODI 11635761 at NHTSA ↗
2025-02	0	None	No examples available for this selection.
2025-03	0	None	No examples available for this selection.
2025-04	0	None	No examples available for this selection.
2025-05	0	None	No examples available for this selection.
2025-06	0	None	No examples available for this selection.
2025-07	1	None	ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗
2025-08	0	None	No examples available for this selection.
2025-09	1	None	ODI 11688342 · 13,160 mi The contact owns a 2022 Thor Motor Coach Pallazo RV built on a 2022 Freightliner XC-S Chassis. The contact stated that while driving approximately 55-60 MPH, the front cap was shuddering, and the contact noticed that the windshield was abnormally moving from side to side. Additionally, a prior crack on the windshield was expanding due to the failure. The contact stated that upon arriving at the residence, the contact became aware that the windshield had cracked significantly. The RV was taken to an Auto Glass Shop, and the windshield was repla… Look up ODI 11688342 at NHTSA ↗
2025-10	0	None	No examples available for this selection.
2025-11	0	None	No examples available for this selection.
2025-12	0	None	No examples available for this selection.
2026-01	0	None	No examples available for this selection.
2026-02	0	None	No examples available for this selection.
2026-03	0	None	No examples available for this selection.
2026-04	0	None	No examples available for this selection.
2026-05	1	None	ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗
2026-06	0	None	No examples available for this selection.
2026-07	0	None	No examples available for this selection.
2026-08	0	None	No examples available for this selection.
2026-09	0	None	No examples available for this selection.
2026-10 (partial)	0	None	No examples available for this selection.

Emerging complaint spikes

Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.

This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.

No complete months meet the spike thresholds for this selection.

Equal-age model-year comparison

Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.

Observation windowFirst model yearSecond model year

2022: 3 complaints · 2023: 0 complaints

Equal observation windows
Model year	Through age 0	Through age 1	Through age 2
2022	2	3	3
2023	0	0	0

Date coverage across each selected cohort

Date basis for all complaints in selected model years
Year	Incident dates used	Filing date fallbacks	Excluded dates
2022	4	0	0
2023	0	0	0

Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.

Components reported together

Each cell counts unique complaints naming both components. Open a nonzero cell for examples.

Component co-occurrence matrix
Component	Visibility/Wiper	Unknown Or Other	Structure:Body	Exterior Lighting	Equipment:Recreational Vehicle/Trailer	Structure	Visibility:Glass, Side/Rear	Electrical System
Visibility/Wiper	—	2 ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗ ODI 11311899 · 4,600 mi DRIVERS SIDE REAR BEDROOM VENT WINDOW HAS DELAMINATED TWICE, FIRST IN OCT. 2019 (REPLACED UNDER WARRANTY) AND AGAIN IN JAN 2020 (STILL AT DEALERSHIP SERVICE AWAITING REPLACEMENT FROM LCI/THOR. BOTH TIMES, I WAS FORTUNATE TO DISCOVER THE SEPARATION BEFORE DRIVING THE VEHICLE DURING MY PRE-TRIP WALKAROUNDS, THUS AVOIDING THE DANGER OF THE OUTER GLASS FLYING OFF THE RV AND INTO TRAFFIC. ALSO IN DEC. 2019, THE FRONT RIGHT (PASSENGER SIDE) FIXED DUAL PANE WINDOW STARTED TO SHOW FOGGING WHEN EXPOSED TO DIRECT SUNLIGHT (NO ACTION TAKEN YET TO REPLA… Look up ODI 11311899 at NHTSA ↗	2 ODI 11541771 AS I was driving mr rv. down the road , the rear side window just fell off onto the roadway. I believe the window is made by lippert. On the rv forum there are a lot of people experiencing this same problem. Look up ODI 11541771 at NHTSA ↗ ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗	0	0	0	0	0
Unknown Or Other	2 ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗ ODI 11311899 · 4,600 mi DRIVERS SIDE REAR BEDROOM VENT WINDOW HAS DELAMINATED TWICE, FIRST IN OCT. 2019 (REPLACED UNDER WARRANTY) AND AGAIN IN JAN 2020 (STILL AT DEALERSHIP SERVICE AWAITING REPLACEMENT FROM LCI/THOR. BOTH TIMES, I WAS FORTUNATE TO DISCOVER THE SEPARATION BEFORE DRIVING THE VEHICLE DURING MY PRE-TRIP WALKAROUNDS, THUS AVOIDING THE DANGER OF THE OUTER GLASS FLYING OFF THE RV AND INTO TRAFFIC. ALSO IN DEC. 2019, THE FRONT RIGHT (PASSENGER SIDE) FIXED DUAL PANE WINDOW STARTED TO SHOW FOGGING WHEN EXPOSED TO DIRECT SUNLIGHT (NO ACTION TAKEN YET TO REPLA… Look up ODI 11311899 at NHTSA ↗	—	1 ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗	0	1 ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗	1 ODI 11539433 The coach windows on the RV keep failing. Last year I had two windows fail on my drive to Wyoming. The sealant that hold the window bracket comes detached from the glass widow. When that happens the window flaps is the wind and if the window swing higher than 45 degrees, the window can slide off the top rail, and become a projectile for anyone traveling behind me. Since my windows didn’t fall off, I bought new sealant and reattached the rails back to my glass. Those two windows have been good since. Then this summer I lost and different body w… Look up ODI 11539433 at NHTSA ↗	2 ODI 11624209 MY 2018 THOR PALAZZO DRIVERSIDE AND PASSENGER SIDE WINDOWS HAVE FOGGED UP TO WHERE IT IS VERY HARD TO SEE OUT OF AND HAS BECOME A SAFETY CONCERN. Look up ODI 11624209 at NHTSA ↗ ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗	0
Structure:Body	2 ODI 11541771 AS I was driving mr rv. down the road , the rear side window just fell off onto the roadway. I believe the window is made by lippert. On the rv forum there are a lot of people experiencing this same problem. Look up ODI 11541771 at NHTSA ↗ ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗	1 ODI 11737992 I am reporting a serious and repeated safety defect involving Hehr side windows installed on my 2018 Thor Palazzo 36.1 motorhome (VIN: [XXX] ). Multiple operable side windows on this RV have experienced adhesive bond failure between the scissor arm/operator mechanism and the vent glass pane. This has caused windows to partially detach and violently flap while driving at highway speeds. One rear bathroom window completely detached and flew off the RV during highway travel in 2022. Additional adhesive failures have continued occurring from 2023… Look up ODI 11737992 at NHTSA ↗	—	0	0	0	0	0
Exterior Lighting	0	0	0	—	0	0	0	1 ODI 11615219 The EATON Power Distribution Modual P\N A66-05172-00 (S\N 18108065) in my motorhome was in a recall associated with the failed rear tail lights, rear turn signals, brack lights, running lights and failure of towed vehicle lights plug. The modual was repaired as a result of the recall and was working properly. The repaired Modual failed again in less than 1000 miles driven resulting in no passenger tail light, no brake lights, no running lights, and no function of the towed vehicle lights plug. The recall on my PDM P\N A66-05172-00 was not succ… Look up ODI 11615219 at NHTSA ↗
Equipment:Recreational Vehicle/Trailer	0	1 ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗	0	0	—	1 ODI 11291907 · 6,000 mi THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.DT THE CONSUMER PROVIDED PHOTOS. TRDTJB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU… Look up ODI 11291907 at NHTSA ↗	1 ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗	0
Structure	0	1 ODI 11539433 The coach windows on the RV keep failing. Last year I had two windows fail on my drive to Wyoming. The sealant that hold the window bracket comes detached from the glass widow. When that happens the window flaps is the wind and if the window swing higher than 45 degrees, the window can slide off the top rail, and become a projectile for anyone traveling behind me. Since my windows didn’t fall off, I bought new sealant and reattached the rails back to my glass. Those two windows have been good since. Then this summer I lost and different body w… Look up ODI 11539433 at NHTSA ↗	0	0	1 ODI 11291907 · 6,000 mi THE FRONT CABINET ABOVE THE FRONT DASH INCLUDING THE STEERING WHEEL AND OTHER OPERATOR CONTROLS DETACHED FROM THE CEILING AND BEGAN FALLING DOWN. THIS OCCURRED WHILE THE RV WAS IN MOTION. HAD IT COMPLETELY DETACHED CONTROL OF THE RV WOULD HAVE BEEN LOST. THE SCREWS HOLDING THE CABINET FRONT PULLED OUT OF THE WHERE THEY WERE SCREWED IN ALLOWING THE FRONT OF THE CABINET TO FALL.DT THE CONSUMER PROVIDED PHOTOS. TRDTJB*DT CONSUMER SAYS THAT THERE WERE NO RV DEALERS NEARBY SO THEY REFASTENED THE SCREWS AS A STOP GAP MEASURE. DEALER AND MANU… Look up ODI 11291907 at NHTSA ↗	—	0	0
Visibility:Glass, Side/Rear	0	2 ODI 11624209 MY 2018 THOR PALAZZO DRIVERSIDE AND PASSENGER SIDE WINDOWS HAVE FOGGED UP TO WHERE IT IS VERY HARD TO SEE OUT OF AND HAS BECOME A SAFETY CONCERN. Look up ODI 11624209 at NHTSA ↗ ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗	0	0	1 ODI 11670844 The Thor motorhome has several windows. The windows they installed are laminated windows, with two panes of glass and a seal or glue which connects the outer glass to the inner glass. The attachment method for the outer glass is ineffective. As a result, the outer glass pane comes loose from the inner and is prone to fall off or fly off at highway speeds. The risk is that the pane could strike another vehicle and possibly cause an accident. Already Thor has replaced two of the window units on this unit around 2021, not under warranty but as… Look up ODI 11670844 at NHTSA ↗	0	—	0
Electrical System	0	0	0	1 ODI 11615219 The EATON Power Distribution Modual P\N A66-05172-00 (S\N 18108065) in my motorhome was in a recall associated with the failed rear tail lights, rear turn signals, brack lights, running lights and failure of towed vehicle lights plug. The modual was repaired as a result of the recall and was working properly. The repaired Modual failed again in less than 1000 miles driven resulting in no passenger tail light, no brake lights, no running lights, and no function of the towed vehicle lights plug. The recall on my PDM P\N A66-05172-00 was not succ… Look up ODI 11615219 at NHTSA ↗	0	0	0	—

Co-reporting does not establish that one component caused another concern.

Recurring narrative patterns

Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.

Search patterns

3 patterns with matching reports.

Warning lights and dashboard alerts

2 mentions · 4.7% of complaints

Median mileage: 15,000 mi (1 usable records).

ODI 11568565 · 15,000 mi

The contact owns a 2018 Thor Palazzo. The contact stated that while driving at an undisclosed speed, through the sideview mirror, he observed movement of the driver's side awning window, prompting him to pull to the shoulder of the roadway. After a visual inspection, he observed that the glass panel within the awning window was detached. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 20V339000 (Visi…

Look up ODI 11568565 at NHTSA ↗

ODI 11633262

Driving down the highway and the DEF check engine light came on. It indicated to pull over and shut down immediately. I was on a highway that had long 7% grade hills with minimal places to pull over in arizona mou tain range. I was able to make it home after engine debated. Took to a freightliner dealer and paid 4400.00 to have DEF pump replaced. It turns out that was not the problem. I tried to go on another trip a month later and I hot a low DEF signal. I was told it was a DEF head. Freightliner XCS chassis our having lots of issues with …

Look up ODI 11633262 at NHTSA ↗

Matching rule

\b(warning light\w*|check engine|dashboard warning\w*|malfunction indicator)\b

Brake response concerns

1 mentions · 2.3% of complaints

Median mileage: 9,500 mi (1 usable records).

ODI 11074118 · 9,500 mi

BRAKE LIGHTS DO NOT LIGHT WHEN BRAKE PEDAL IS DEPRESSED. RECALL DOES NOT INCLUDE MY VIN NUMBER. HOWEVER, RECALL INCLUDES MY MANUFACTURED DATE OF OCTOBER 2012. CAMPAIGN NUMBER FL-634.*DT*JB

Look up ODI 11074118 at NHTSA ↗

Matching rule

Stalling or loss of power

1 mentions · 2.3% of complaints

Median mileage: Unavailable (0 usable records).

ODI 11120534

Look up ODI 11120534 at NHTSA ↗

Matching rule

\b(stall\w*|loss of power|lost power|engine shut\w* off)\b