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Chevrolet Suburban 2500 Problems

Intake Manifold Gasket May Leak Coolant or Engine Oil on Chevrolet Suburban 2500

Problem Description and Possible Solution

The intake manifold gasket may develop and external engine oil or coolant leak. In some cases, an internal coolant leak may occur causing coolant to mix with the engine oil. Running the engine with a coolant/oil mix may result in engine damage. Replacing the intake manifold gasket should correct this issue.

(11 people reported this problem)

Chevrolet Suburban 2500 Vehicles With This Problem

RepairPal Fair Price Estimate
$209-$390
RepairPal Verified
Average mileage: 98,989 (80,000–116,968)
Engines affected: 5.7L V8, 7.4L V8, Gasoline
8 model years affected: 1992, 1993, 1994, 1995, more1996, 1997, 1998, 1999
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Viewing 1-3 of 3 comments
Engine overheated due to loss of coolant x's. Shop replaced manifold gasket and oil switch, but DID NOT change oil. Oil changed at 117797. Engine failed (threw a rod)at 118870. Now I know why!
had to have the gasket replaced they told me it was a common problem that happens on all 5.7's