Auto Recall Watch
U.S. public vehicle records

International Harvester SCHOOL BUS transmission problems

10 complaint narratives mention transmission terms.

Key facts

42 owner complaints analyzed

4 distinct recall campaigns

Not available median reported failure mileage

Scope: 1975 to 1996 model years. Data updated: . 0 complaints include usable failure mileage. View data status.

Transmission and shifting evidence

10 of 42 complaints match this topic (23.8%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.

Owner report 529250 · 1998-01-28 (January 28, 1998)

TORQUE CONVERTER FAILED. (QCAW)

Owner-reported narrative. Look up ODI 529250 at NHTSA ↗

Owner report 780568 · 1998-09-30 (September 30, 1998)

TORQUE CONVERTER FAILED CAUSING TRANSMISSION TO STOP PULLING.

Owner-reported narrative. Look up ODI 780568 at NHTSA ↗

Owner report 501831 · 1996-02-09 (February 9, 1996)

TRANSMISSION FAILED. *SD

Owner-reported narrative. Look up ODI 501831 at NHTSA ↗

Owner report 516918 · 1997-08-31 (August 31, 1997)

TORQUE CONVERTER FAILED.

Owner-reported narrative. Look up ODI 516918 at NHTSA ↗

Owner report 529241 · 1998-01-28 (January 28, 1998)

AUTOMATIC TRANSMISSION TORQUE CONVERTER FAILED.

Owner-reported narrative. Look up ODI 529241 at NHTSA ↗

Explore the data

Vehicle analysis explorer

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

Data completeness

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

0.0%Usable mileage0 / 42 records
90.5%Valid incident date38 / 42 records
100.0%Valid filing date42 / 42 records
90.5%Ordered incident and filing dates38 / 42 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.

Component complaint heatmap
Component19821986198719881989199119921993199419951996
Power Train:Automatic Transmission:Torque Converter
0Unavailable

No examples available for this selection.

150.0%
ODI 529250

TORQUE CONVERTER FAILED. (QCAW)

Look up ODI 529250 at NHTSA ↗

116.7%
ODI 780568

TORQUE CONVERTER FAILED CAUSING TRANSMISSION TO STOP PULLING.

Look up ODI 780568 at NHTSA ↗

583.3%
ODI 501831

TRANSMISSION FAILED. *SD

Look up ODI 501831 at NHTSA ↗

00.0%

No examples available for this selection.

233.3%
ODI 502755

ALLISON TRANSMISSION TORQUE CONVERTER FAILED, CAUSING LOSS OF POWER TO DRIVE AXLE. (1ST VEHICLE ON 502756 & 502757) *SD

Look up ODI 502755 at NHTSA ↗

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.

Visibility:Rearview Mirrors/Devices:Exterior
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.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

571.4%
ODI 509098

CONVEX MIRROR GLASS SPOTTED, OBSTRUCTING VISIBILITY.

Look up ODI 509098 at NHTSA ↗

440.0%
ODI 509101

MIRROR GLASS SPOTTED, OBSTRUCTING VISIBILITY.

Look up ODI 509101 at NHTSA ↗

00.0%

No examples available for this selection.

Engine And Engine Cooling:Engine:Gasoline
0Unavailable

No examples available for this selection.

00.0%

No examples available for this selection.

233.3%
ODI 528784

SCHOOL BUS DESTROYED BY UNEXPLAINED FIRE.(ATTORNEY FOR CONSUMER).

Look up ODI 528784 at NHTSA ↗

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

116.7%
ODI 605840

FRONT TURBINE SHAFT FAILED.

Look up ODI 605840 at NHTSA ↗

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.

1100.0%
ODI 535323

ENGINE SENSOR FAILED.

Look up ODI 535323 at NHTSA ↗

Engine And Engine Cooling:Cooling System
0Unavailable

No examples available for this selection.

00.0%

No examples available for this selection.

233.3%
ODI 489520

WATER PUMP REPLACED DUE TO SHAFT BREAKING OFF ALLOWING FAN BLADE ASSEMBLE TO FLY INTO THE RADIATOR. *SD

Look up ODI 489520 at NHTSA ↗

116.7%
ODI 601430

WATER PUMP SHAFT BROKE, CAUSING COOLANT LEAK. (SECOND VEHICLE ON 503980) *DH

Look up ODI 601430 at NHTSA ↗

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.

Equipment:Appliance:Air Conditioner
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.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

00.0%

No examples available for this selection.

114.3%
ODI 543956

TRANS AIR AIR CONDITIONER FAILED, WAS REPAIRED AND FAILED AGAIN.

Look up ODI 543956 at NHTSA ↗

110.0%
ODI 543945

TRANS AIR AIR CONDITIONER FAILED RESUTING IN LEAKS AND ELECTRICAL PROBLEMS.

Look up ODI 543945 at NHTSA ↗

00.0%

No examples available for this selection.

Exterior Lighting:Headlights:High/Low Beam Dimmer Switch
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.

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.

220.0%
ODI 487916

TURN SIGNAL SWITCH FAILED.

Look up ODI 487916 at NHTSA ↗

00.0%

No examples available for this selection.

Power Train:Automatic Transmission
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.

00.0%

No examples available for this selection.

2100.0%
ODI 481101

DIP STICK BACKS OUT OF FILLER TUBE AT LOW SPEEDS, CAUSING DIRT/WATER FROM LEFT TIRE TO FLOW DOWN FILLER TUBE INTO TRANSMISSION PAN. *SKD

Look up ODI 481101 at NHTSA ↗

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.

Electrical System:Ignition
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.

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.

110.0%
ODI 977832

ENGINE T444E W/AUTOMATED ENGINE MONITOR SYSTEM SHUTS DOWN. CAUSE OF SYSTEMS SAFETY IS QUESTIONED. PLEASE DESCRIBE DETAILS. TT

Look up ODI 977832 at NHTSA ↗

00.0%

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
ComponentMileage range (25th–75th percentile)MedianUsable recordsExamples
No usable records for this analysis.

Complaint and recall timeline

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

1 reports2024-112026-10

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
MonthComplaintsCampaigns announcedExamples
2024-110None

No examples available for this selection.

2024-120None

No examples available for this selection.

2025-010None

No examples available for this selection.

2025-020None

No examples available for this selection.

2025-030None

No examples available for this selection.

2025-040None

No examples available for this selection.

2025-050None

No examples available for this selection.

2025-060None

No examples available for this selection.

2025-070None

No examples available for this selection.

2025-080None

No examples available for this selection.

2025-090None

No examples available for this selection.

2025-100None

No examples available for this selection.

2025-110None

No examples available for this selection.

2025-120None

No examples available for this selection.

2026-010None

No examples available for this selection.

2026-020None

No examples available for this selection.

2026-030None

No examples available for this selection.

2026-040None

No examples available for this selection.

2026-050None

No examples available for this selection.

2026-060None

No examples available for this selection.

2026-070None

No examples available for this selection.

2026-080None

No examples available for this selection.

2026-090None

No examples available for this selection.

2026-10 (partial)0None

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.

Age 0Age 1Age 210 reports

1995: 10 complaints · 1996: 1 complaints

Equal observation windows
Model yearThrough age 0Through age 1Through age 2
199531010
1996001
Date coverage across each selected cohort
Date basis for all complaints in selected model years
YearIncident dates usedFiling date fallbacksExcluded dates
1995910
1996100

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
ComponentPower Train:Automatic Transmission:Torque ConverterVisibility:Rearview Mirrors/Devices:ExteriorEngine And Engine Cooling:Engine:GasolineEngine And Engine Cooling:Cooling SystemEquipment:Appliance:Air ConditionerExterior Lighting:Headlights:High/Low Beam Dimmer SwitchPower Train:Automatic TransmissionElectrical System:Ignition
Power Train:Automatic Transmission:Torque Converter—0000000
Visibility:Rearview Mirrors/Devices:Exterior0—000000
Engine And Engine Cooling:Engine:Gasoline00—00000
Engine And Engine Cooling:Cooling System000—0000
Equipment:Appliance:Air Conditioner0000—000
Exterior Lighting:Headlights:High/Low Beam Dimmer Switch00000—00
Power Train:Automatic Transmission000000—0
Electrical System:Ignition0000000—

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.

3 patterns with matching reports.

Stalling or loss of power

2 mentions · 4.8% of complaints

Median mileage: Unavailable (0 usable records).

ODI 502755

ALLISON TRANSMISSION TORQUE CONVERTER FAILED, CAUSING LOSS OF POWER TO DRIVE AXLE. (1ST VEHICLE ON 502756 & 502757) *SD

Look up ODI 502755 at NHTSA ↗

ODI 977984

FLEET OF TEN (10) SCHOOL BUSES ARE EXPERIENCING STALLING PROBLEM DUE TO INJECTOR MOTOR FAILING. TT

Look up ODI 977984 at NHTSA ↗

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

Oil consumption or dilution

1 mentions · 2.4% of complaints

Median mileage: Unavailable (0 usable records).

ODI 503719

ROUTE OF SERPENTINE BELT CAUSES IT TO CUT HOLES IN VARIOUS HOSES, CAUSING ENGINE TO BURN OIL AND LOSS OF TURBO BOOST. *DSH

Look up ODI 503719 at NHTSA ↗

Matching rule\b(oil consumption|burn\w* oil|consum\w* oil|oil dilution|gas(?:oline)? in (?:the )?oil)\b

Warning lights and dashboard alerts

1 mentions · 2.4% of complaints

Median mileage: Unavailable (0 usable records).

ODI 486357

BRAKE WARNING LIGHT COMES ON WITHOUT AN EXISTING FAILURE. (RECALL 94V-234) (FIRST VEHICLE IN A FLEET OF 1989-1994 MODELS) *AW

Look up ODI 486357 at NHTSA ↗

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