what leaks coolant above the intake manifold on a pontiac grand am 2.4l engine

David Mitchell

Asked by Mar 07, 2015 at 03:52 PM about the 2000 Pontiac Grand Am GT

Question type: Maintenance & Repair

I have been unable to locate coolant leak about 4 or 5 inches above the thermastat on looks to be in overhead twin valve assemble is that possible.
on 2000 grand am 2.4l

1 Answer


The Quad 4 and newer Twin Cam engines are known for blown head gaskets and head issues. First lets make sure it's only leaking to outside the motor and not inside. Check your oil. If the level has gone up or there is a milky residue you have water in your oil and you should not run the motor. If the oil is good the issue is smaller. Is the car blowing white smoke out of the exhaust. Does the coolant system pressure up and blow out of the rad cap when running. If your car has none of the above symptoms it is most likely the head gasket (which is not fun). Can you try to locate the leak exactly and post a picture.

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