1999 Chevy Monte Carlo car running hot

1999 CHEVROLET MONTE CARLO
104,000 MILES • 6 CYL • FWD • AUTOMATIC
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ANNOYED
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Intake manifold gasket replaced in '05, car goes hot in less than 5 minutes coolant full and thermostat already replaced. right upper hose extremely hot and left lower hose cool. when driving temp will be close to 260 and air from vent is cool, temp will suddently drop to midway and vent air will warm up, car heats back up to 260 very quickly. any suggestions?
Oct 4, 2008 at 3:39 PM
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RHALL77
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did you bleed the air from the cooling system
Oct 6, 2008 at 11:36 AM