Power Train Related Problems of the 2007 GMC Sierra

Table 1 shows four common power train related problems of the 2007 GMC Sierra. The number one most common problem is related to the power train (two problems). The second most common problem is related to the automatic transmission cooler (one problem).

Table 1. Power Train related problems of GMC Sierra


Recently reported Power Train problems of the 2007 GMC Sierra

The Power Train problem

Traveling at a low speed on my property and the truck intered into a "reduced power" mode. Which cut off all power to the drive train. You were left with no ability to go front or back. After shutting off the truck and restarting it returned to normal.   Read details...

The Automatic Transmission Cooler problem

The contact owns a 2007 GMC Sierra hd. The contact stated that the transmission lines have been leaking for a couple of months. The dealer was contacted and stated that the warranty did not cover any repairs related to the power train.   Read details...

The Power Train Driveline problem

The truck after 40 miles started screeching from the front when going around corners,and was reported to the dealer sam swope, I was informed that it was normal, on the way to town the truck stalled and was towed for repair turns out the coil plug shorted out wires were replaced, next day the truck   Read details...


Power Train related problems in other GMC Sierra model year vehicles:



Fuel Economy of Sierra Vehicles
Sierra Service Bulletins
Sierra Safety Recalls
Sierra Defect Investigations