1991 Chevrolet G Series Van (G20) Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1991 Chevrolet G Series Van (G20)

Repair Estimates

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1991 Chevrolet G Series Van (G20)
$
516
to $
730
1991 Chevrolet G Series Van (G20)
$
276
to $
464
1991 Chevrolet G Series Van (G20)
$
342
to $
416
1991 Chevrolet G Series Van (G20)
$
151
to $
211
1991 Chevrolet G Series Van (G20)
$
243
to $
453

1991 Chevrolet G Series Van (G20) Problems

Transmission Fluid Leak, Erratic Shifting

On the 4L80-E Transmission (Diesel and 7.4L gas engine), Transmission fluid may leak through the electrical connector on the side of the transmission, damaging the wire harness and causing the transmission to shift erratically. Our technicians tell us there are updated shift solenoids, an internal  transmission harness, and a connector pigtail available to correct this fault.

Idling Problems Due to Vacuum Leak in Throttle Body Gasket

An engine vacuum leak may develop from the throttle body gasket causing a higher than normal idle speed. Failed gaskets should be replaced.

Alternator May Fail and Cause Noise and Dead Battery

The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require replacement.

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1991 Chevrolet G Series Van (G20) Recalls

Recall 92V047000
INSTALLATION OF SAFETY BELT ANCHORAGE BOLTS FAILED TO COMPLY WITH FMVSS 210.
Recall 91V040000
SEAT BACK OF THE REAR BENCH SEAT MAY BREAK AWAY FROM THE SEAT CUSHION IN AN ACCIDENT.

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1991 Chevrolet G Series Van (G20) Reviews

Many yes, many not perfect but I love it...

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