why won't my 4x4 go into 4 wheel?

Asked by KDUBB97 Jan 08, 2021 at 10:50 AM about the 1999 GMC Sierra 1500 SL 4WD Extended Cab LB

Question type: Maintenance & Repair

my 99 gmc Sierra 4x4 is not engaging it shows it to be in 4x4 but clicks the
whole time thinking it may be smarter to look inside then replace the whole
thing.

1 Answer
3,775

Randy answered 3 years ago

Try putting the gear unto neutral then activate the option. My pick up has a complicated process of going in and out of 4x option

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Your Answer:

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