Table 1 shows seven common power train related problems of the 2001 GMC Sierra. The number one most common problem is related to the automatic transmission (five problems). The second most common problem is related to the transfer case (three problems).
While driving on the hwy. Towing my 28 ft 5th wheel trailer on level ground we experienced a loud bang and the feeling like something in the driveline had broken. No engine malfunction indicators were displayed on the console. No further incidents have happened yet, but it is constantly on my mind. Read details...
I own a 2001 GMC Sierra. I noticed that when I put my truck in 4 low on my 4x4 (manual shift),and I put the truck in reverse, you can feel the torque. When I go and put the truck into park it starts to grind while engaging in the park position. Read details...
Automatic transmission makes gear noise in 1st and 4th gears. At purchase, vehicle had bad vibration problem. Dealer balanced wheels, which did not eliminate problem. Dealer tested tires and found one defective tire. . . The other three had to be "indexed" on the wheels. Read details...