1997 Pontiac Grand Prix Logo
Posted on Jul 04, 2009
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Leaking coolant I have a 97 grand prix gt that is always leaking coolant. I am always having to fill up to coolant every other day. I just got the oil changed yesterday and now I am having all kinds of problems. The big problem that I am having is today I went to drive and after 5 minutes the temp shot up and the car started to overheat, so I pulled over to check the coolant level and it was full and looked like there was some oil that was in the resivor bottle as well.. Plus then the car started to smoke that was coming from around the alternator and I was seeing antifreeze on the wire capsules. Can anyone help me with this or have any suggestions..

  • bylandta Jul 04, 2009

    I have researching it as well. seems like this is a major problem that is going on with these cars.. I have been told that it could be an intake gasket but I really dont know.. If you find anything out let me know.. Thanks..

  • bylandta Jul 05, 2009

    awesome thank you.. so is the intake manifold gasket hard to do by your self. i know my way around cars pretty good, but at the same time i dont do alot of repairs myself.. i just got done replacing an engine for a 98 neon rt and that was a pain..

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David Shaub

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  • Posted on Jul 05, 2009
David Shaub
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If you have oil in the coolant or coolant in the water, you have either a cracked head, cracked block or blown head gasket.

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You have a bad intake manifold gasket. Two things you can do before the major "$" repair. 1.) The maker recommends a bottle of stop leak to be added, but first the fluid level needs to be up. (This is hard to do without patience because you can't open a hot fill tank!) 2.) There are two bolts on the intake manifold right and left sides that can be tightened with a box end wrench. (They are not torqued high enough from the factory to begin with.) After these, you must replace the intake manifold gasket. Helpz you?

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  • Posted on Jul 04, 2009
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Well, i have a 2001 with the 3100 engine and it seems to be losing coolant as well i dont see it leaking but i will have to refill it every week or so, i am researching the problem now

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