Chevrolet G Series Van (G20) Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Chevrolet G Series Van (G20)
Never overpay. Check prices with our estimator
Verified by mechanics, reported by drivers like you
Ask a mechanic in our community
Chevrolet G Series Van (G20) ProblemsIntake Manifold Gasket May Leak Coolant or Engine Oil
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.
A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.
Chevrolet G Series Van (G20) QuestionsPower windows, can hear them want to work, but nothing ? (3 answers)
The drivers side moves slightly but not much , passengers side not st all , I cab hear them both click when trying to engage them , what could be my issue ? Please help
How to fix a no spark issue
Cranks and wants to start but wont