GMC Sierra owners have reported 2 problems related to radiator (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra based on all problems reported for the Sierra.
The contact owns a 2015 GMC Sierra 1500. The contact stated while driving 65 mph, there was a loud pop in the engine compartment. The vehicle was steered to the side of the road where condensation was observed in the middle of the road. The vehicle was towed to a dealer where it was diagnosed that the radiator and transmission needed to be replaced. The vehicle was not repaired. On another occasion, while driving at approximately 20 mph, the vehicle lost motive power. The vehicle was towed to a dealer where it was determined that the engine needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was approximately 170,000.
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Anti-freeze inside radiator turns to a gel like substance. Manufacturer has been contacted. A technicial service bulletin has been issued for that problem. Please provide any further details.
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all problems of the 2001 GMC Sierra
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