Table 1 shows seven common power train related problems of the 2004 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 noises during shifting (five problems).
: the contact stated while driving in normal conditions, the transmission locked up. The vehicle was taken to the dealer several times for inspection. The dealer replaced the transmission; however, the new transmission has the same problem. Read details...
Truck vibrates and makes noise between 40 and 50. Sounds like binding. Happens as truck is shifting in and out of overdrive. Dealer has tried but cannot duplicate condition. Read details...
The manual shift on the fly system (msof) with new venture gears automatic transfer case is defectively designed. A metal anti-rattle clip works it way through the case housing, causing all fluid to leak out of the transfer case. The clutches then burn out rendering the transfer case useless. Read details...