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2002 Cadillac DeVille DTS

 

Question: over heating

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Visitor, Lebanon, TN, June 09, 2010, 22:14

over heats, but it happens qucker when the air conditioner is on.

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, June 09, 2010, 22:21
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    It could be many things, hard to comment without being able to do some basic diagnostic tests. Check the coolant level is OK, after that the most likely causes are a cooling system thermostat that is not fully opening, a partially restricted radiator,a mildly blown head gasket or cooling fan that is not operating correctly.

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  • Answer #2

    Visitor, June 26, 2010, 05:32

    over heats, but it happens quicker when the air conditioner is on

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