I have a 90 GMC sierra and reverse doesn't work except for when 4x4 is engaged, is it safe to drive or will the tranny go out ( automatic)

try going into reverse for 10 feet then go to drive for 10 feet that might help if not it is to the wiring to you 4x4 engage system (wires to your wheel hub)

I’m happy to assist further over the phone at https://www.6ya.com/expert/john_2c7bb9c157d0baa8

Jul 04, 2009 • 2002 GMC Sierra C/K1500

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Just replaced 4l60e trans in 1995 gmc sierra it engages into reverse great but won't engage into drive it is a used trans with less than 100,000 miles. replaced both front and rear seals, filter and fuid?...

hey the 4l60e tranny you got WILL NOT work in your 95 gm only made that tranny for 1 year

Apr 21, 2009 • 1993 GMC Sierra K1500

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1answer

1995 gmc sierra automatic transmission losing reverse

rebuild gearbox bruv its knackered

Nov 26, 2017 • 1995 GMC Sierra

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2answers

4x4 in working

try reversing six to eight feet after shifting into 4WD. PLEASE RATE MY ANSWER.

Feb 26, 2009 • 2000 GMC New Sierra 1500

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90 GMC 5.7liter motor.Transmission will sometimes when put in drive not engage.If I wait a few minutes,it will engage and works fine after that.Mostly does this when outside temps are cold (28 to 40...

The filter might be clogged/old and the cold makes the fluid heavy. With the 700r4 transmission its always best to let it warm up for a few minutes.

Feb 24, 2009 • 1992 GMC Sierra K1500

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1answer

Four wheel drive not working

Check front axle actuator see if it came unpluged

Jan 18, 2009 • 1999 GMC Sierra

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3answers

1990 GMC Sierra 4x4 1500

the connections near the front axle that activate the motor to engage the system aren't melted? That's a comon problem for that body style. If there good, sounds like it could be that motor itself. To figure out if it's you motor or transfercase, jack up the rear end, have a friend inside shift into 4 wheel drive, or try to, and put it in gear and apply some gas. If the front driveshaft is turning then it's something with the front end. If not, farther back in the system.

Sep 21, 2008 • 1992 GMC Sierra K1500

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Anonymous

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Posted on Jan 19, 2010

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Not safe to drive. Sun shell broke or stripped out. Does it have all 4 foward gears? If so you have a different problem. Still in trans though.

Testimonial: "yes all forward gears work good as new, reverse slips like im riding the klutchbut its an auto. trans, and is getting worse each time."

Anonymous Jan 30, 2010

Sorry to hear that but I can tell you for sure that it is not the bands. That unit should be a 4L60E and it only has 1 band and it works 2 and 4th NOT reverse. Does it still slip in 4x4 just not as bad?

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I have a 90 GMC sierra and reverse doesn't work except for when 4x4 is engaged, is it safe to drive or will the tranny go out ( automatic)

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1999 gmc sierra 1500 4x4 tranny rebuilt recently...would not go in reverse.drive and shifting off.Transfer case noisy in neutral or park position tranny fluid level good

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I have a 90 GMC sierra and reverse doesn't work except for when 4x4 is engaged, is it safe to drive or will the tranny go out ( automatic)

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Anonymous

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1999 gmc sierra 1500 4x4 tranny rebuilt recently...would not go in reverse.drive and shifting off.Transfer case noisy in neutral or park position tranny fluid level good

I have an 89 gmc sierra 4x4, the problem im experiencing is the transmission doesn't engage from park to reverse or drive, there is an abnormal noise beneath the cab when the engine starts up.

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1999 gmc sierra 1500 4x4 tranny rebuilt recently...would not go in reverse.drive and shifting off.Transfer case noisy in neutral or park position tranny fluid level good

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