Question about 2001 Pontiac Grand Prix
I just dont know what else to ask... I have also replaced the radiator that had cracks in it. Can you tell me what the normal operating temp is for my car?
That is not normal. sounds like you have the start of a bad intake manifold gaskt leak coming . GM 3.8 have bad intake gaskets. there something I want you to check please. I see a lot of these in my shop. it is a small hard plastic hose. send a picture of it and where it is. and the link to shop on facebookhttps://www.facebook.com/TedsRepairs
Posted on Nov 09, 2012
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Posted on Jan 02, 2017
it sounds like a possible head gasket problem,you can get the fluctuation from combustion gases getting pumped into your cooling system and creating gas pockets,i would suggest taking it to a shop and have them do a block test to look for combustion in the cooling system to confirm the problem,that way you will know for sure,if it comes up negative they can also perform a flow test to make sure there is no restriction in the cooling system such as a plugged radiator or a bad thermostat,hope this sheds a little light on it
Posted on Sep 12, 2009
Testimonial: "I bet you've hit on the problem ! Car has been "using " antifreeze for a couple years now, with no leaking anywhere. Lost through the head gasket ?"
yes sounds like a stuck thermostat or the temperature plug if faulty could also you need the radiator fluid tested fro proper mixture
but sounds like thermostat stuck and most likely going bad
Posted on Jan 06, 2010
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