Question about 2003 Pontiac Sunfire

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I have a 2001 sunfire. 2.2, automatic. Over 1 month ago the car began running hot. I had the water pump replaced, then the radiator. The car still ran hot and I am not lossing any fluid. 5 days ago the head gasket was replaced and now to this day the car still runs hot. What else could it be? I appreciate any input that you can give my mechanic and I. Thank You, Judy

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Well there is a few things it could be.
1) is the electric fan turning on? If not then it could be the fan motor, a break in the wires, the fuse or the relay switch.
2) check the actual coolant temp. If it doesn't match your temp gadge then it could be the gadge or the temp sensor.
3) air pockets in the cooling system(Block)
4) incorrect coolant mixture

Posted on Jul 31, 2008

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This could be your oil cooler check your water and see if there is any traces of oil in the water even if there aren't I cant see it being anything else because of what you have already had replaced,Ihope this is of some help to you.

Posted on Jul 29, 2008

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Hey--that the list were u should put your attention
Check coolant level
Make sure clutch fan is working
Check or replace thermostat
Make sure coolant lines are not collapsing under pressure
Check or replace radiator cap
Make sure system is not air bound
Make sure water pump is circulating coolant

Posted on Jul 29, 2008

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