Posted on Sep 24, 2010

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Overheating - 2003 Buick Regal

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Malibu 1976

Expert 83 Answers
Posted on Sep 24, 2010

Malibu 1976

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Joined: Sep 24, 2010

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Check the following:
Thermostat
Water Pump
Coolant level IN THE RADIATOR, not the Overflow tank
Verify that there's coolant in the overflow
Check for leaks under vehicle, or a sweet smell coming from motor.
Look for white smoke coming from tailpipe when engine is warm and idling(Bad Head Gasket)

If all is good, take it to a shop and have them check for a bad head gasket. A sniff test is an easy indicator, it basically "sniffs" the air coming out of the radiator cap and tests for the presence of exhaust gases. Keep in mind, if they do a sniff test and it comes up negative, you still might have a bad head gasket.

Jeffrey Turcotte

Buick Master 8,991 Answers
Posted on Sep 24, 2010

Jeffrey Turcotte

Buick Master

Joined: Aug 22, 2010

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Please see my tip at http://www.fixya.com/cars/r5929960-s_thermostat and let me know if you have questions.

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