Question about 1998 GMC Sierra

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I have a 1994 gmc 4x4 and the front axles wont engage

I have a 1994 gmc 4x4 and the front axles wont lock into 4 wheel drive, we checked and there is power to the control that engages the front differential,, any ideas

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If Your Front CV shaft is broken it will not engage...Shaft can be in visibly good shape, but you might hear a knocking sound or a shutter when turning sharply. I had this problem this last winter. Get under the truck and try and turn the CV by hand. if it can be rotated, it is bad.

Posted on Jul 05, 2010

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Posted on Jan 02, 2017

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I have a 1998 explorer and the 4wheel drive will switch on like it should and the lights do not blink or anything but I can tell the rear end doea lock in low but never any power to front axle in any...


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http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

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http://technoanswers.blogspot.in/2012/05/2008-toyota-tundra-4x4-wheel-drive.html

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http://technoanswers.blogspot.in/2012/02/4x4-front-differential-will-not-engage.html

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These details will help.

Thanks.

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1 Answer

This jimmy is a 94 automatic 4x4 when u put trans in neutral and ingadge 4 low or 4hi u here the trans click **** it seem to slip back to rear wheel drive


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1 Answer

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