Coolant Loss and/or Engine Overheating on Chevrolet Suburban 1500

Problem Description and Possible Solution

A coolant leak may develop form the Intake manifold gasket causing overheating complaints. The coolant leak may be internal allowing coolant to mix with the engine oil, this condition can result in internal engine damage. Be aware that this problem is often mistaken as a blown head gasket.

Problem Data
RepairPal Verified
Average mileage: 94,000 (94,000–94,000)
Engine affected: 5.7L V8
2 model years affected: 1990, 1991
3 people reported this problem
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Viewing 1 - 1 of 1 comments
my intake manifold gaskets had to be replaced because it was leaking coolant into the engine so to avoid having to replace my engine I had it fixed. expensive!