Thomas Bus Recalls & Complaints by Model Year
NHTSA lists 14 safety recalls and 7 owner complaints across 20 model years of the Thomas Bus (1977–2002). The most-complained-about year is 2000.
Pick your Thomas Bus model year
| Model year | Recalls | Complaints |
|---|---|---|
| 2002 Thomas Bus | 0 | 1 |
| 2001 Thomas Bus | 0 | 2 |
| 2000 Thomas Bus | 0 | 3 |
| 1998 Thomas Bus | 0 | 1 |
| 1995 Thomas Bus | 1 | 0 |
| 1994 Thomas Bus | 2 | 0 |
| 1992 Thomas Bus | 5 | 0 |
| 1991 Thomas Bus | 6 | 0 |
| 1990 Thomas Bus | 7 | 0 |
| 1989 Thomas Bus | 6 | 0 |
| 1988 Thomas Bus | 5 | 0 |
| 1987 Thomas Bus | 2 | 0 |
| 1986 Thomas Bus | 2 | 0 |
| 1985 Thomas Bus | 2 | 0 |
| 1984 Thomas Bus | 1 | 0 |
| 1983 Thomas Bus | 1 | 0 |
| 1982 Thomas Bus | 1 | 0 |
| 1981 Thomas Bus | 1 | 0 |
| 1980 Thomas Bus | 1 | 0 |
| 1977 Thomas Bus | 1 | 0 |
What Thomas Bus owners complain about
Across all model years, owners have filed 7 complaints with NHTSA. The 2000 model year has the most, with 3.
All Thomas Bus recalls (14)
Every NHTSA safety campaign that lists a Thomas Bus, most recent first, with the model years each one covers.
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Electrical system: wiring
A power connector in the main wiring harness can become corroded causing loss of power.
Remedy: Dealers will replace and seal the connectors.
Model years: 1994, 1995
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Alternator/generator/regulator (electrical system)
A cable installed to temporarily bypass the neutral switch to enable the engine to be started was not removed at delivery. The cable allows the bus to be started while in a forward or reverse drive gear.
Remedy: Dealers will remove the temporary cable and install a new relay.
Model years: 1994
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Seats
The safety belt anchorage bolts do not comply with the requirements of FMVSS 210, "seat belt assembly anchorages". The seat anchorages could not maintain load of 5,000 lbs for 10 seconds.
Remedy: Replace the anchorage bolts with bolts of a larger diameter, which meet the load requirements of FMVSS 210.
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Seats
Incorrect screws were used to attach the plywood seat back to the seat frame.
Remedy: Remove incorrect screws attaching the plywood back to the seat frame and install proper screws.
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Driveshaft (power train)
The driveshaft used with some engine/transmission combinations had insufficient welds joining some of the components.
Remedy: Replace defective north american driveshafts with spicer driveshafts.
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Hoses, lines/piping, and fittings (service brakes)
A brake air line plumbing error causes the spring brakes to be applied without brake application when the air pressure in the primary tank drops to a level which automatically activates the spring brake system.
Remedy: Replace and reroute air brake hose to comply with FMVSS 121.
Model years: 1992
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Glass, side/rear (visibility)
The center actuator that releases two catches via two pull rods can become non-functional from poor or improper maintenance, lack of lubrication, corrosion, or a combination all three causes.
Remedy: Remove the old center actuator and install an improved actuator.
Model years: 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992
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Glass, side/rear (visibility)
Release handle for rear push out window is not located in area required by s5.2.3.1(b) of FMVSS 217.
Remedy: Install new interior handle assembly to meet specifications.
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Fuel pump (fuel system)
The fuel shut-off solenoid in the cummins 6c engine may be faulty, causing spontaneous interruption of fuel flow to the engine during normal operation. This results in loss of power to driving wheels, power steering, and other power assisted operating systems.
Remedy: Where necessary, replace the solenoid spring, adjust solenoid, replace wires, and verify maximum power requirements to the solenoid.
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Connection (steering)
The steering linkage (drag link) between the steering gear pitman arm and the steering arm on the axle may have been improperly fastened.
Remedy: Install correct pins and properly tighten the castellated nuts.
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Anchorage (seat belts)
Driver's safety belt is too short to meet length requirements of FMVSS 209.
Remedy: Replace the belt assembly with a compliant version.
Model years: 1990
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Anchorage (seat belts)
Upper anchorage of type 2 safety belt installed at the driver's seating position is not within the specified range as required by FMVSS 210.
Remedy: Install reinforcing channel assuring that belts are within specified range.
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Recliner (seats)
The adjustable seat back structure and tilt mechanism may not withstand rearward force required by FMVSS 207.
Remedy: Install new seat back structure and tilt mechanism assembly that complies with standard.
Model years: 1989
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Seats
Vehicles fail to meet federal motor vehicle safety standard no. 222, "school bus passenger seating and crash protection", in regard to barrier force level performance. The barrier performance forward exceeded the force level of 2400 pounds.
Remedy: Defect free barriers will be provided for owner installation free of charge. Reimbursement for labor will be paid at the usual rate for warranty work.
Model years: 1977
Other Thomas models
- School Bus21 complaints
- Thomas11 complaints
- Mvp EF7 complaints
- Saf-T-Liner5 complaints
- C23 complaints
- FS-653 complaints
- CL1002 complaints
- Conventional2 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.