Table 1 shows six common power train related problems of the 2006 GMC Sierra 1500. The number one most common problem is related to the power train (five problems). The second most common problem is related to the transfer case (two problems).
1. Rusted brake lines blowout. Fortunately mine happened in a parking lot,not on the turnpike,and requiring an emergency stop. 2. Clutch master cylinder plastic mounting flange separates when clutch is depressed,disabeling std. Transmission. On residential street. Read details...
The contact owns a 2006 GMC Sierra 1500. The contact stated that when driving at various speeds or sitting idle in park, the four wheel drive switch would intermittently activate and independently shift into low drive. Read details...
The contact owns a 2006 GMC Sierra 1500. While driving various speeds, the vehicle made a loud clunking noise when the accelerator pedal was depressed. In addition, the vehicle shifted hard when switching gears. Read details...