I have a 97 gp gt with a 3.8 that doesnt over heat but uses a lot of anti freeze i cant find a leak but the car runs cold until its real low on anti freeze would appreciate any help
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02-12-2012
I have a 97 gp gt with a 3.8 that doesnt over heat but uses a lot of anti freeze i cant find a leak but the car runs cold until its real low on anti freeze would appreciate any help
Originally Posted by W-Body Store
02-12-2012
Welcome, it's your lower intake manifold gasket. Head gaskets rarely go bad on these cars.
02-12-2012
I have 4 cars with the 3.8 and every one has the aluminum gaskets now. Piss poor original design by GM.
02-14-2012
How much should this cost me to get fixed?
02-14-2012
if you do it yourself under $100. If you take it somewhere probably around $500-$600
02-14-2012
Welcome...
It's not typically going to be a lower intake manifold using that much coolant. It's most likely your upper intake manifold has sprung a leak in teh coolant port right next to the EGR tube area. The easy way to tell is to pull your throttle body off, it's 3 10mm nuts. Then you'll be able to see the hole and EGR tube. If they are wet, you will know for sure. While you are doing that, it is always recommended to replace the LIM' gaskets with aluminum ones as they will look like hell.
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