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Questions and Answers

Buick LeSabre Losing Coolant

Q. I have a 1997 Buick LeSabre Custom. A couple of weeks ago, suddenly we lost heat (from the heater.) We were not far from home and the temperature gauge was about ¼ way up as is usual,so we drove it home. It took several quarts of coolant. We have checked for leaks. None are visible, no spot on ground under.

Buick LeSabre Losing Coolant

Garage could find none under pressure. We washed the motor and can not see any coolant. It never runs over ¼ on the gauge and no steam comes out around radiator but coolant continues to go down. Can you help me?

A. Did you try a dealer? This should be a 3.8 liter engine? They are leaking out the intake manifold gaskets and some are leaking internally inside the intake manifold. They are plastic! If coolant level is still dropping it should show up under pressure.

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