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Old 04-21-2005, 02:07 AM
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Most import engines use a vented thermostat (an opening at the top-install to face top-that allows air pockets to be released. Sounds like you have an air pocket behind the thermostat. Have you tried a genuine MOPAR thermostat?

The thermostat has to be in there to properly regulate the coolant flow. The thermostat opening/closing will actually vary with continuing coolant temperatue change. So it has to be a quality piece.
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