GM 3800 Intake Manifold Replacement

Channel: askanthonynow


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The plastic upper intake manifold goes bad on the 3800 series 2 motor. In this case I found coolant inside the air intake tube by the air filter (not good). The motor did give symptoms of problems like it would miss when idling for a long time and the check engine light would come on. The big red flag was that it would use coolant but no leaks. Also, oil was inside the intake manifold when the upper plastic was taken off. It will take a good couple of hours to do this job.