GMC C4500 owners have reported 4 power train related problems since 1996. Table 1 shows the 4 most common power train problems. The number one most common problem is related to the vehicle's transmission solenoid (1 problem). The second most common problem is related to the vehicle's automatic transmission (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Transmission Solenoid problems | |
| Automatic Transmission problems | |
| Clutch Bell Housing problems | |
| Differential Unit problems |
: the contact stated while traveling no particular, the transmission downshifted into first gear. The vehicle was pulled over and the dealership sent a technician to the vehicle to deprogrammed the codes to drive the vehicle to the dealership. Read details...
Truck lost almost all power and barley moved itself from the travel lanes to the side of the road, had to be towed and after a week in the shop! at my business loss . A crank sensor was determined to be faulty,then an e. G. R valve and finally replaced the p. C. M. Read details...
Throw bearing wears out every 40,000 km. Bell housing gone at 180,000 km's, rear end wore out at 182,000 kms and forth gear gone in transmission at 183,000, dash cluster gone at 188,000. Manufacture or dealer would not cover anything. Read details...
Vehicle was experiencing a problem with grease from the rear end leaking onto the left rear wheel braking system. This caused loss of braking in that wheel. Dealer replaced the grease seal with an upgraded seal six times, problem recurred. Real grease seal was replaced. Read details...