Question about Chevrolet Silverado 1500

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2001 Silverado: no visible leak, but having to fill about a gallon of water/collant. Resevor appears to be without leaks and the pump was already looked at. what do you suggest. SR

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Have the cooling system pressure tested it is very possible you have a bad head gasket. A corroded water pump mounting gasket can be hard to see and a pressure test will expose any weakness.

Posted on Oct 12, 2010


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Posted on Jan 02, 2017


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I am sure it is the water pump, the water is leaking from the pump and running down the hose. The pumps on these engines seem to last around 60-70,000 miles.

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