Leaking oil and coolant

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My 2000 Yukon loses oil and coolant. No leaks can be found and it holds pressure on the coolant system. I can now add 1/2 gallon every 400 miles or so. The oil loses a quart or more between oil changes. The leaks or loses have gotten worse recently. 150,000 miles.

auburn01 in Dothan AL

Feb 26, 2010

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2000 GMC Yukon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

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Leaking oil and coolant

What is your question?

auburn01 in Dothan AL

Feb 26, 2010

1 Reply

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Oakmanon Feb 26, 2010

This can be a leaking intake manifold gasket, that will hold pressure with a pressure test but will slightly leak, even internally, into the cylinders. Have a good shop check this out before you have a much more serious problem.

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 2000 GMC Yukon. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.