Vehicle intermittently stalled while driving at various speeds. Condition forced driver to pull off the road. Power steering and brakes failed when vehicle stalled. Dealer replaced at 28000 miles the fuel pump and computer, but same problem recurred. *Ak
Engine & cooling
GMC 3500 Engine problems by year
2 complaints filed with NHTSA about the GMC 3500's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Latest 3500 engine complaints
Engine was leaking oil coming from underneath the pipe, and vehicle lost power. *Ak
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