Certain medium duty c-series and b7 school bus chassis equipped with a 7.4 Liter gas engine and an impco lpg conversion kit. Some of these vehicles may have engine backfires with sufficient force to damage the engine air intake system and the air cleaner...
1995-2001 · 6 model years
GMC B7 Problems by year
Owners have filed 0 complaints about the GMC B7 across 6 model years, and it has 9 recalls.
- Complaints
- 0
- Recalls
- 9
- Crashes
- 0
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
B7 complaints by model year
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
GMC B7 recalls 9
Vehicle description: school buses, medium duty trucks and tractors built with bendix air abs with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted abs activation at low speeds caused by 1) chafed abs wheel speed sensor wires...
Vehicle description: medium duty trucks. The transmission fluid could leak from a heat degraded transmission fluid cooler hose onto the exhaust system on the passenger's side of the vehicle.
Vehicle description: medium duty conventional cab trucks and school bus chassis equipped with an automatic transmission, have transmission shift cable end rods that have not been crimped to the proper specification. Over time, the shift cable could be...
Vehicle description: school buses equipped with 6.0L gasoline engine, 10,000 lb. Front axle, and power steering. The power steering fluid can leak as a result of a power steering fluid supply hose interference condition.
Vehicle description: school buses equipped with power steering. Some of these vehicles were assembled with an incorrect intermediate steering shaft. The overlap in the slip joint is insufficient allowing the steering shaft to separate.
Vehicle description: medium duty trucks equipped with air brakes and anti-lock brake systems. Chaffing of the electric brake control harness can occur resulting in an electrical grounding condition. This will illuminate a warning light on the instrument...
This is not a safety recall in accordance with federal regulation 573. However, it is deemed a safety improvement campaign by the agency. The transmission oil cooler hose assemby can rupture.
These vehicles were assembled with a transmission reverse signal switch that could leak causing loss of electrical contact when the transmission is in reverse. This does not meet the requirements of fmvss no. 108, "Lamps, reflective devices, and associated...
Questions about the GMC B7
Which GMC B7 years have the fewest complaints?
Among model years that have been on the road for at least three years, 2001 have the best Safety Index - the fewest complaints, crashes and recalls for their age compared with other B7 years. Always check the exact vehicle's recalls by VIN before you buy.
How many recalls does the GMC B7 have?
NHTSA lists 9 recalls across all GMC B7 model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data