Question about Chevrolet Lumina

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My 1999 lumina, 3.1 ltr overheats in a matter of minutes. I don't know whether it's the waterpump or maybe the thermostat.. What is the best way to decypher this problem? The car is 30 miles from my home so I'll have to do the job in a parking lot. I didn't get a manual from the chevy dealership so I am repairing blind. Tom

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I would remove thermastate all togather first, then see if helps, Hopefully this will fix till you can get home , good luck.

Posted on Mar 27, 2011

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