Engine Noise problems of the 2007 Chevrolet Uplander

The contact owns a 2007 Chevrolet Uplander. While the contact's partner was driving 55 mph, the contact heard a pinging noise and the check engine indicator illuminated. The driver pulled off the freeway and onto a side street where the vehicle stalled. The vehicle was towed to an independent mechanic who stated that the engine was faulty, but did not provide any further information. The vehicle was then towed to the contact's home where it was inspected by an independent mechanic. The mechanic wrote in his report that fine granules in the coolant reservoir indicated that temporary block seal had been utilized, which indicated previous failures with the engine. The contact did not know the specific cause of the failure. The contact stated that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 98,000.