Power Train Related Problems of the 2003 GMC Sierra 2500

Table 1 shows four common power train related problems of the 2003 GMC Sierra 2500. The number one most common problem is related to the power train (two problems). The second most common problem is related to the transfer case (one problem).

Table 1. Power Train related problems of GMC Sierra 2500


Recently reported Power Train problems of the 2003 GMC Sierra 2500

The Power Train problem

The contact owns a 2003 GMC Sierra 2500. While driving at any speed, the vehicle stalled, lost power, and the service engine light illuminated. The vehicle was taken to an independent mechanic who was unable to diagnose the failure. The failure recurred.   Read details...

The Transfer Case problem

Transfer case burt up due to faulty clip design, snap ring wore into case, very poor case design. An aftermarket manufacturer has come up with a better back half of the case and upgraded pump to fix this problem.   Read details...

The Clutch Pedal/linkage problem

I entered the truck stepped on the clutch pedal, shifted into reverse and started to ease the clutch out when the pedal went all the way to the floor board. The vehicle immediately chirped the back tires at no more than 950 r. P. M.   Read details...


Power Train related problems in other GMC Sierra 2500 model year vehicles:



Safety Ratings of Sierra 2500 Cars
Sierra 2500 Service Bulletins
Sierra 2500 Safety Recalls
Sierra 2500 Defect Investigations