Table 1 shows seven common engine and engine cooling related problems of the 2015 GMC Sierra 1500. The number one most common problem is related to the engine and engine cooling (64 problems). The second most common problem is related to the radiator (eight problems).
Active fuel management miss firing idle rough shaking loss of power #7 cylinder loss of all compression bad fuel mileage skipping Read details...
Radiator forms stress cracks from constant thermostat cycling. The resulting cracks cause the radiator to leak. Gm has issued special coverages for certain models but doesn't acknowledge it is a very common problem on other models outside the coverage. Read details...
When I first got the truck the brakes operated perfectly fine after about three days the brakes on the front of the truck would lock up while I was driving and would not release. After two sets of calipers two sets of brake pads a set of rotors a two weeks go by with the mechanic trying to Read details...