It is a problem getting the 4wd to work, it just slips out of position.
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All 1991 Chevrolet G Series Van (G30) questions
I had to by pass valve cause no fluid went to rear brakes
Carpet cleaning van. Cleaning unit is van powered by a driveshaft engaged with an electric clutch...
My transmission shift from 1st at 10mph and into 2 at 20mph but will not shift into overdrive.