89 GM Sierra K2500 shifting into 4 high

Asked by GuruC3RCV Mar 13, 2019 at 04:55 PM about the 1989 GMC Sierra 2500 2 Dr K2500 4WD Standard Cab LB

Question type: General

The only time I can shift into 4 high is if the truck is at a complete stop.  Is this
normal?

1 Answer
22,255

Gary answered 5 years ago

Yes, older transfer cases require the truck to be stopped to allow the gears to engage without grinding.

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