GMC C4500 owners have reported 5 engine and engine cooling related problems since 1996. Table 1 shows the 4 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's engine and engine cooling (2 problems). The second most common problem is related to the vehicle's diesel engine (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Diesel Engine problems | |
| Radiator problems | |
| Car Stall problems |
At approxiamately 2:15 pm on 9/16/2011 this ambulance was traveling at 55-60 mph in route back to the station after dropping a patient at the hospital, the driver reports that there was a load pop!; followed by a hissing sound under the hood. 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...
Pulling a loaded trailer up a steep grade on a major highway. Speed was approx. 40mph. Driver hear a "clunk" noise then the low coolant light came on and then the engine temp started to rise. Pulled over and there was coolant leaking from the front of the truck. Read details...
Vehicle experienced sudden stalling at various speeds when on the road. Taken to the dealer 10 times for checkup, but the cause was still undetermined. Read details...