Question about 2004 Pontiac Grand Am

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1996 Pontiac Grand Am / Overheating

Hi, I bought this '96 Grand Am about 10 months ago. Right away it started having problems overheating. Had the thermostat replaced, and the radiator too, also had the intake manifold gasket replaced. The next day the heater core blew a hole and car overheated again. So I replaced the heater core too. Drove the car for about a week when it started overheating again. Can't find any leaks in the hoses or any water on the ground beneath the car. Odd thing is that the car will be running cool then all of sudden the gauge shoots up to the red zone, but yet the engine doesn't seem to be steaming, although it does need water. Today I was driving and everything was fine when all of sudden the engine started dying and restarting. All the idiot lights would come on and the temperature gauge went all the way up. I limped it to a curb and there wasn't any steam coming out of the engine. But it did need some water. Do you think it could be computer problem or alternator maybe? Or maybe my head gasket is leaking? I am getting really sick of this car. . . . . .
Thank you,

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  • Anonymous Jan 21, 2009




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Linda, did you ever figure out the solution.. I am having the same problem!

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Below u will find Auto zone list for reason ur car can over heat Shaun Inspect Cooling System Mix Coolant level low or flow is restricted. 1996 Pontiac Grand Am / Overheating - grey_line.gif 2 Inspect Belt Incorrectly routed, adjusted, tensioned, missing, or worn water pump belt(s). grey_line.gif 3 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiato1996 Pontiac Grand Am / Overheating - grey_line.gifimg src="" alt="grey_line.gif" class="h_mi" /> 4 Inspect 1996 Pontiac Grand Am / Overheating - grey_line.gifp Worn or damaged radiator cap 1996 Pontiac Grand Am / Overheating - grey_line.gif 5 Inspect Thermostat Thermostat stuck closed 6 Inspect Fan Blade Broken, missing, or defective fan blade(s). <1996 Pontiac Grand Am / Overheating - grey_line.gif://" alt="grey_line.gif" class="h_mi" /> 8 Inspect Water Pump Damaged, worn or1996 Pontiac Grand Am / Overheating - grey_line.gifr pump. grey_line.gif 9 Inspect Int1996 Pontiac Grand Am / Overheating - grey_line.gifPlenum - Perform Leaking water pump gasket. grey_line.gif1996 Pontiac Grand Am / Overheating - grey_line.gifct Cooling Fan Control Faulty cooling fan control or circuit. grey1996 Pontiac Grand Am / Overheating - grey_line.gifass= 11 Inspect Cooling Fan Switch - Radiator Faulty radiator cooling fan switch or circuit. grey_line.gif 12 Inspect Engine Temperature Sensor Faulty engine temperature1996 Pontiac Grand Am / Overheating - grey_line.gifrcuit. grey_line.gif 13 Inspect Temperature Swi1996 Pontiac Grand Am / Overheating - grey_line.gif or faulty temperature switch or temperature switch circuit. 14 Inspect Fan Clutch Worn, loose or faulty fan clutch. 15 Inspect Ported Vacuum Switch Damaged, leaking, or faulty ported vacuum switch. grey_line.gif 16 Inspect Radiator Obstructed radiator core or radiator cooling fins. grey_line.gif 17 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders grey_line.gif

Posted on Nov 15, 2008

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How's your oil? Is the level high, or is the color milky? You've basically replaced your cooling system, all that CAN be wrong would be a corroded block [unrelated to anything you mentioned] or an internal leak. If the heat sensor loses contact with the coolant, it'll go nuts like that. And I'm guessing that could trigger the computer to go into panic mode. I suspect a leaking head gasket. Not that bad if you fix it yourself or know someone who will do it for friendship.

Posted on Nov 15, 2008

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