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Resources for the Repair and Maintenance of your 1991 Chevrolet G Series Van (G30)

1991 Chevrolet G Series Van (G30)

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1991 Chevrolet G Series Van (G30) Problems

Engine -- Verified

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.

Engine -- Verified

A coolant leak may develop from the water pump. This can result in an engine overheating condition. A leaking water pump will require replacement.

Miscellaneous -- Verified

Our technicians recommend flushing the brake fluid every 60,000 miles.  Brake fluid that is dirty may cause problems in the brake system.

Engine -- Verified

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Engine -- Verified

The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.

1991 Chevrolet G Series Van (G30) Recalls (Recent)

Body, Interior & Misc., April 24, 1991


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1991 Chevrolet G Series Van (G30) Questions and Answers

hunderwood, 1991 Chevrolet G Series Van (G30), 6.2L V8 Diesel, Mount Vernon, OH

My transmission shift from 1st at 10mph and into 2 at 20mph but will not shift into overdrive.
Is this controled by the computer module under the drivers seat?

chacalosa, 1991 Chevrolet G Series Van (G30), 4.3L V6, Aberdeen, WA

broken wheel studs
what do i do to fix this?

Rick pro carpet, 1991 Chevrolet G Series Van (G30), 5.7L V8, Columbus, OH

Carpet cleaning van. Cleaning unit is van powered by a driveshaft engaged with an electric clutch. Van drives fine with no temperature issue.
When I engage the system it will slowly go to overhea...

guywithg30van, 1991 Chevrolet G Series Van (G30), 5.7L V8, Wake Island, HI

I had to by pass valve cause no fluid went to rear brakes

Holgeir, 1991 Chevrolet G Series Van (G30), 6.2L V8 Diesel, Tacoma, WA

It is a problem getting the 4wd to work, it just slips out of position.

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