Chevrolet G Series Van (G20) Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Chevrolet G Series Van (G20)
Chevrolet G Series Van (G20) Problems
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) Questions
Linkage doesn't engage reverse. Drove 600 miles w/ no problems,slipping or noise. Reverse just went out. Need to know how to diagnose or what trans fit this van or how to fix it. Please.. thank you
It will not start back up until it sets for a while
I replaced the ignition modulator, rotor and cap
Chevrolet G Series Van (G20) Recalls
Chevrolet G Series Van (G20) Reviews
Very Pleased with vehicle. Had to replace Transmission due to prior owner abuse. Need to change fuel pump, don't know where relay is for fuelpump. Any help would be great. Also is a bit hard on fuel. Any tricks beyond standard tuneup would be great. Can't invest too much $$$ due to being disabled.
when wet outside brakes are very grabby hydroplanes
i have a 1990 chevy g20 van and since iv had it i took it for a test drive the first day i have had it and only went about a mile and a half from home and started going up hill is when i had lost power and costed to the side of the road and would start it had sounded like i was out of gas>when i had finally made it home finally after getting it towed i had a mechanic come out and look at it and...