Question about 1999 Pontiac Grand Am GT

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My car will not heat up!!!!! i changed the thermostat, and the control panel. what could it be.

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Check the hoses on the heater core once the vehicle has reached operating temp. if one is hot and the other cold or just warm heater core may be plugged and may need to be flushed or replace. Also make sure system is purged of air

Posted on Nov 15, 2009

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