Question about 1999 Buick Regal
The plastic upper intake manifold will leak water into the combustion chamber and drown out the plugs or may cause a hydraulic engine lock. How far did you drive it hot? 3800's are not known for having a head gasket problem. I have seen some rookie mechanics change the head gaskets and replace engines only to find out that it was the upper manifold after they cranked it up with old one on it. Do you know if it was leaking water externally or why it ran hot?
Posted on Apr 27, 2009
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Posted on Jan 02, 2017
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