1999 GMC Savana 1500 Q&A

1999 GMC Savana 1500 Question: intake manifold

If the manifold causes a vacuum leak and eventually a coolant leak, is is possible for the coolant to leak into the motor? -
Answer 1
sure. there are coolant passages in the manifold in the front and back. a breech of the gasket can cause an internal coolant leak to the oil as well as a vaccuum leak. Roy -
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