Question about 1993 GMC Sierra K1500

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Four wheel drive will not ingauge no power to the acuator

Put a new acuator on the front axle put when it is ingauged no power going to it

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  • 211 Answers

Have you checked your fuses and connections which get pretty dirty wires break.

Posted on Jan 19, 2015

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Posted on Jan 02, 2017

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SOURCE: four wheel won't engage

Theres a vacume dash pot under the battery box. It pulls a cable that engages the front diff. Put the vacume line and you'll have lights and four wheel drive. (it happened to my blazzer)

Posted on Dec 29, 2008

  • 22 Answers

SOURCE: My four-wheel drive is making a loud srubbing

When does the noise occur?....only in 4x4?....in auto?....turning left or right?....slow or fast?....need more info

Posted on Jan 24, 2010

  • 1 Answer

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

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

  • 2427 Answers

SOURCE: Have a 2002 GMC Sierra 1500 4x4 extended cab with

Well actually I don't think the bearing damaged the whole thing, Proberally they just don't want to press and and press out the new bearing cause it may not be worth their time financially.. Tell them just replace the bearing and make sure to grease it properly..

You see they will need to take out the entire assemble, then press out and press in the new bearing as opposed to take out and replace the entire assembly which they can then fix and resell. So just have them change the bearing..

Posted on Nov 01, 2010

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I have a 1994 gmc k1500 4x4 wont go in four wheel change acuator on the front diff transfor case engage but axle dont


That truck did not use a vacuum actuator, it used an electric motor motor. If your transfer case is engaging and you can see the front drive line spinning, then you either have a bad actuator, switch, or the wiring is bad. I would recommend unplugging your actuator and checking for power at the wire while someone puts the truck in four wheel drive. If there is power going to it, then replace your actuator. if not, follow your wiring back and check all components. They also sell an aftermarket cable actuator for those trucks which are much more reliable.

Jan 28, 2015 | 1994 GMC Sierra

2 Answers

4 wheel drive wont ingauge on 91 s10.pull on cable and does ingauge


may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: chinasinoy.com

Feb 25, 2013 | Cars & Trucks

1 Answer

I put the truck in nutruel and put in 4x4 low and my front wheels are not turning. but sound like it ingauged


When you put the controls in 4lo, the transfer case will engage, but that doesn't mean it is in4wd. The 4wd function is controlled mainly by vacuum lines. So check every vacuum line you can see. On earlier models there was a large diameter vacuum hose that went to a vacuum operated actuator hidden under the battery. It controls the switch that engages the front axle. You'l have to remove the battery and battery tray to see it. Check that hose to see if it has come loose. 90% of s10 and gmc 4wd problems can be traced back to that hose. If it is loose, you will probably have to replace it with a new hose. The old hose gets brittle and won't stay hooked up.

Jan 11, 2011 | 2003 Chevrolet S-10

3 Answers

I have vaccum to the accuator and the accuator pulls the cable but still no four wheel drive. The four wheel drive lights up but not the front wheel lights and it is not locking in. help......


There is a clip on the pumpkin (front diff) that the 4wd cable connects to that is common to break. Easy fix, inspect the cable where it connects to the pumpkin and repair any damages found.

Thank you for using fixya and keep us posted.

Nov 17, 2010 | 1991 Chevrolet S-10

1 Answer

I have 2002 honda civic with new whole front c.v. joint axle -no abs system-1.7L-automatic trans.installed -then the car stuck on drive- try to switch back to park-making grinding noise-the car dont move...


the cv shaft is not installed correctly and is not ingauging the splines,its grinding because the transmission is going around and your trying to put it in park

Jan 26, 2010 | 2002 Honda Civic

2 Answers

Faulse abs ingauge


bleed all connections in the system especially the four in the abs unit. good luck

Sep 11, 2009 | 2001 GMC Jimmy

3 Answers

4 wheel drive lights


are you setting still or driving when ingaugeing the 4 wheel drive if you are setting still try putting it in with vehicle moving if it does not light up steady in 4wd then it is not going in 4wd

Oct 24, 2008 | 2001 GMC Jimmy

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