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Old 01-20-2010, 06:56 PM
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xeroinfinity xeroinfinity is offline
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Re: 3.4 Over Heating

The heater core is part of the cooling system so if the cores clogged could be why its over heating when off.

Has anyone checkked the heater lines while the engines warmed up to see if they are hot or cold ?
Or if you can tell whether warm/hotcoolant is moving thru the lines when the engines running?
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1999 Grand Am SS 3.4 OHV
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