Question about 1996 Pontiac Grand Prix

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1996 grand prix se running hot

I have a 96 grand prix se and hve change water pump because it was leaking and after that it started running hot 240 so i change thremosatic no change still running hot was told radator had been changed just have brought it last week been trying to get this solved have anybody got a bad water pump new or any suggestion on what to do next? it did not run hot the night i drove it home started when i change water pump

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  • jhcolv Nov 05, 2008

    thx i have found how that the belt dia is diff. for 3.4 and 3.1 l and the motor has been changed so i am going to change the belt dia and that will fix the problem i think because it will change the rotaion from c cockwise to clockwise will let u know what happens

  • jhcolv Nov 06, 2008

    i tried the belt thing and it did not help i think now it may be stopped up but trying to work better tho going to try to flush it out more

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It sounds like it may have air in the system there should be a bleeder valve for the coolant also if it ran hot you may have a possible head gaskt problem i would try bleeding the air out of the coolant system and if problem is still there you can buy a kit to check the head gasket it hooks to the coolant system and you pour a liquid in it and if it turns from blue to yellow it has a head gasket problem

Posted on Nov 05, 2008

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I have a 2005 Pontiac Grand Prix that is running hot. I have changed the water pump and the thermostat. Checked all hoses and they are good(no leaks) yet I'm still running hot. What's the next


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I have a 1995 Pontiac Grand Prix SE 3.1L V6 and I have no heat, and the defrost barely works. My coolant is leaking and when the car is on, it flies off the front of the belt and drips to the ground. Is my...


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u need to find where its leaking from,,fill it up with water run it & look for leak,,

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Dtknog@yahoo.com


Are you sure you put the thermostat in the right direction? The 195 degree copper bulb shold be on the bottom side. If it is a stock one.

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