Table 1 shows ten common power train related problems of the 2002 GMC Sierra. The number one most common problem is related to the automatic transmission (three problems). The second most common problem is related to the noises during shifting (three problems).
GMC 2002 1/2 ton pickup,transmission reverse went out at 44,000 miles (first time it went out at 28,000 miles). Repaired for second time parts. Reaction shell gear stripped. Parts shell, gear, fltr kit, seal, seal oil, gasket. R&r trans replace reaction shell and gear. Read details...
Vehicle has a strong jerk when shifting from 1st to 2nd and sometimes has a slipping / delayed jerk when shifting from 1st to 2nd. Vehicle was taken to dealership. Valve body was replaced at 30,000 miles. Did not correct the problem. Vehicle taken back. Read details...
The engine is no good, they say that the knocking at ticking is ok, gm has put out a notice indicating that this is within acceptable limits. If you heard my truck run you would think it was about to fail! Read details...