1985 Chevrolet C20 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
0 distinct recall campaigns
100,000 mi median reported failure mileage
Scope: 1985 model year. Data updated: . 1 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Tires is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Tires | 1 |
| Tires:Tread/Belt | 1 |
Tires: 1; Tires:Tread/Belt: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 1; 150,000 and above: 0
100,000 to 149,999 miles has the most reports with usable mileage (1). 1 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.
| Category | Count |
|---|---|
| 2000 | 1 |
| 2016 | 1 |
2000: 1; 2016: 1
Pattern summary
Tires leads the component reports. 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.
Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
2 unique complaints in this selection. Analysis snapshot: 2026-09-30.
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.
| Component | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 2000 | 2001 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Service Brakes, Hydraulic:Antilock/Traction Control/Electronic Limited Slip | 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. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 425.0%ODI 841805WHEN APPLYING BRAKES THERE IS A VIBRATION IN THE PEDAL, AND BRAKES BUILD UP AND WON'T RELEASE UNTIL OWNER BLEEDS THE BRAKES. THIS HAPPENS DURING ANY BRAKING SITUATION. DEALER/MANUFACTURER HAVE BEEN NOTIFIED ABOUT THE PROBLEM. ALSO, OWNER FOUND OUT THAT THE BRAKE FLUID GOES THROUGH THE RUBBER FLEX LINE SLOWLY. THE CLAMP AROUND THE RUBBER FLEX LINE IS VERY TIGHT WHICH CAUSES THIS PROBLEM. OWNER REPAIRED BRAKE PROBLEM HIMSELF. PLEASE PROVIDE ANY FURTHER DETAILS. *AK | 325.0%ODI 536991ANTI LOCK BRAKES LOCKED UP SEVERAL TIMES, TWO ACCIDENTS FROM LOCK UP. | 321.4%ODI 802468ANTI-LOCK BRAKING SYSTEM WENT OUT AND CONSUMER COULD NOT STOP, HIT THE TAIL END OF ANOTHER PICKUP AND BROKE WINDSHIELD.*AK | 0UnavailableNo examples available for this selection. | 150.0%ODI 879373ONGOING / INTERMITTENT PROBLEM WITH RIGHT FRONT WHEEL LOCKING UP. VEHICLE BEEN IN DEALER SHOP ON TWO OCCASIONS, AND UNABLE TO LOCATE PROBLEM . PLEASE FEEL FREE TO PROVIDE ANY FURTHER DETAILS ON THIS MATTER. *AK | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Seat Belts:Front:Buckle Assembly | 133.3%ODI 802475DRIVER'S AND PASSENGER'S SIDE SEAT BELT BUCKLES COME LOOSE . PLEASE DESCRIBE .*AK | 133.3%ODI 976189PURCHASE TRUCK NEW THE DRIVER SIDE SEAT BELT BUCKLE NOT LOCKING . TT | 1100.0%ODI 979310DRIVER'S SIDE SEAT BELT BUCKLE HAS FAILED, UNABLE TO LATCH SEATBELT. TT | 00.0%No examples available for this selection. | 116.7% | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 18.3%ODI 963889SEAT BELT HAS BEEN REPLACED TWICE, WILL LOCK UP UNEXPECTEDLY. TT | 17.1% | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Tires:Tread/Belt | 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. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 16.3%ODI 873645WAS TRAVELING 65MPH & HEARD A RUMBLING IN REAR. PULLED OVER & TIRES WERE STILL INFLATED. HAD EXITED THE HIGHWAY & PULLED OVER AGAIN BECAUSE OF NOISE. CHECKED THE TIRES AGAIN & THIS TIME NOTICED TREAD HAD SEPARATED FROM RIGHT REAR TIRE. THE WAS BALD. TOOK VEHICLE TO TIRE SHOP & BOUGHT ANOTHER TIRE. DO NOT HAVE TIRE. GENERAL, AMERITECH ST, P225/75R15 WITH 30,000 MILES ON IT.*AK | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Air Bags:Frontal | 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. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 18.3% | 214.3%ODI 980719DURING IMPACT, DRIVER'S SIDE AIR BAG DID NOT DEPLOY AND DRIVER'S SIDE SEAT BELT DID NOT LOCK. PLEASE DESCRIBE. *AK | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Fuel System, Gasoline:Storage:Tank Assembly | 133.3% | 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. | 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. | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Power Train:Automatic Transmission | 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. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 212.5%ODI 832749HAD RECEIVED RECALL (#93V016000). HAD THE WORK DONE ON TRANSMISSION. OWNER NOT SATISFIED WITH THE RESULTS. DOES NOT FEEL REPAIRS DONE CORRECTLY. *AK | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Seat Belts:Front:Anchorage | 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. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 16.3%ODI 890053DRIVER'S SIDE SEAT BELT IS LOCATED TOO FAR BEHIND DRIVER. THIS CAUSES IT TO RUB AGAINST DRIVER'S NECK. THEN, NECK BECOMES CHAFFED. *AK | 00.0%No examples available for this selection. | 17.1%ODI 602307SEAT BELTS FALL BETWEEN CHAIR AND FOLDING ARM REST, RENDERING SEAT BELTS USELESS. | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Structure:Body:Door | 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. | 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. | 214.3% | 0UnavailableNo examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo 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 | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| Tires | Too few reports for a range | 100,000 mi | 1 (sparse) | ODI 10894390 · 100,000 miTL* THE CONTACT OWNS A 1985 CHEVROLET C20 EQUIPPED WITH BIG "O" MESA C/T TIRES, SIZE: LT285/75R16. WHILE DRIVING 50 MPH, THE FRONT DRIVER SIDE TIRE BLEW OUT AND THE TIRE WIRES DETACHED. THE CONTACT COASTED THE VEHICLE TO THE SIDE OF THE ROAD AND WAS ABLE TO REPLACED THE TIRE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE TIRE WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 06T006000 (TIRES). THE APPROXIMATE VEHICLE FAILURE MILEAGE WAS 100,000 AND THE TIRE FAILURE MILEAGE WAS 110,000. THE DOT NUMBER WAS NOT AVAILABLE. |
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
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
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-10 | 0 | None | No examples available for this selection. |
| 2024-11 | 0 | None | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 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 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 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 | 0 | None | No examples available for this selection. |
| 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 (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.
2000: 0 complaints · 2001: 0 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2000 | 0 | 0 | 0 |
| 2001 | 0 | 0 | 0 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2000 | 0 | 0 | 0 |
| 2001 | 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 | Tires | Tires:Tread/Belt |
|---|---|---|
| Tires | — | 0 |
| Tires:Tread/Belt | 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.
0 patterns with matching reports.
No narratives match the published patterns.