Question about 1985 Chevrolet Chevy

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1985 chevy 4x4 don't work. front wheels won't engage

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 4x4 wont engage

There is a switch that has twwo wires going to it, it's located just above the motor on your transfer case,on the drivers side, one plug goes to the motor and the other goes to this switch, it's the motor that shifts it into low and high range, I'm not sure what the switch is called but it tells the front end when to lock and unlock.
Hope it helps

Posted on Mar 05, 2009

gladys_neal
  • 334 Answers

SOURCE: I have a 2001 Chevy 2500 4X4. Four wheel drive not

Sounds like the chain in the transfer case has broke or the linkage is out of adjustment

Posted on Dec 08, 2009

  • 1 Answer

SOURCE: 1990 Chevy 1500 4x4 won't engage 4 wheel drive

the 4x4 do not engage in my1990 chevy pick up what i need to check

Posted on Jan 20, 2010

johnjohn2
  • 5763 Answers

SOURCE: 96 tahoe 4x4 not engaging the front wheels

then the seloniod actuator if the front diff may be bad, this is common,heres a diagram to show you what it is and where it is, hope this helps.3e85522.gif

Posted on Jan 27, 2010

  • 108 Answers

SOURCE: 1997 chevy Blazer ZR2 4x4 not engaging

Fab only gave part of an answer. Check the vacuum lines on the driverside firewall. Also check your heater/AC unit make sure the air deflector will change from defrost to vent. If it stays on defrost no matter where you put the knob then you have a disconnected or leaking vacuum line to the dash. If that works and you don't see any open hoses then remove the battery and battery tray. You'll find the actuator there. Remove the vaccum line that goes to it, connect the battery or jumper cables so that you can start the engine. Put it in 4HI and feel for a vacuum at the line. If you do then put it on the actuator and see if it pulls on the cable. If there is no vacuum at that line then the switch at the transfer is bad and isn't sending vacuum to the actuator. If you do have vacuum and the cable didn't pull then change the actuator.

Posted on Apr 25, 2010

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Have a 1985 chevy s10 pick up & the 4 wheel drive wont engage. I already replaced the solenoid on top of the transfer case, & it still wont engage. I can hear the transfer case engage & I have vacum at the...


Make sure that the vacuum hose connector is connected AND connected correctly at the transfer case and at the front differential. If that is all right and the front differential still doesn't engage, then you need to test the vacuum actuator at the front differential.

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Sorry no idea here without as look to see whats wrong ,could very well be a electric solonoid switch that locks up a dog clutch but 4x4 is not something i do very often .Most i see are permanant 4x4 isnt this truck permanant rear wheel drive anyway and you lock in the front diff by means of a solonoid or a cable

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1985 chevy blazer steering wheel removel


Remove the horn button, it should pop off unless you have the deluxe wheel in which case it is held on with 2 Philips screws on the back of the wheel. There is a large nut that has to come off as well as some bits and pieces for the horn. PAY close attention to how these pieces come apart or your horn won't work when you reassemble it. Attach the steering wheel puller and remove the wheel. It helps to give the bolt on the puller a rap with a hammer as you tighten it. Don't bother to try to do this without the puller... it don't work.

With the wheel out of the way, you will see a plate with grooves in the edge of it. This is the locking plate. There is a special tool to remove this but you probably won't be able to rent it. Try to borrow it if you can. If not, it can be removed without the tool. BE WARNED that THIS PLATE CAN HURT YOU as in break teeth or a nose. It is spring loaded with a very heavy spring. To remove it get a piece of boomstick or bar about 16 inch long. Enough so you can use your shoulder to push down on it and hold it while you pry the lock ring off the center shaft. Then ease the plate up until you feel it break contact with the spring. then remove it and the spring. Don't bother trying to put it back together without the spring. You'll just have to take it back apart and put the spring in. Hope this helps.

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1 Answer

Why doesnt my 4x4 work on my 2000 jeep quadra drive i just got it and i took it to a mechanic and he said that if the 4x4 wasnt working then the car wouldnt run since its a 4x4 all time. the front wheels...


Quadratrack transfer units work by way of an internal fluid coupler (same as your mechanical clutch fan but bigger) It is always on but not always engaged. It engages when the rear wheels start to slip.
It should lock in low range though. (in low range you should not drive over 15mph).
if the front wheels won't engage at all, then either there is something wrong inside the transfer case or inside the front differential. Both are usually noisy if they have failed but I've seen some that the ring gear has been removed as well as the driveshaft (sometimes) after the diff has failed, so it can be driven. Find another shop that's more familiar with that unit and have them take a look at it if you don't see anything obvious.

Jul 10, 2011 | 2000 Jeep Grand Cherokee

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How to change 4x4 actuators on a 1995 chevy k1500 truck. I've located 1 out of 2 actuators but the second one appears to be in the transfer case maybe? HELP


I had this problem in the middle of nowhere. On the passenger side of the front differential, there is a "thermal Actuator" that screws into the diff. This is what engages the front axle. I replaced mine and 4 wheel works again. Don't know about a second. Be sure to remove the wire connector before removal or your wiring connector.
Leonard Jones
El Mirage, Arizona

May 01, 2011 | 1995 Chevrolet K1500

1 Answer

My 4x4 will not i engage on my 1995 chevy k1500


check the front actuator its behind the front diff

Jan 22, 2010 | 1995 Chevrolet K1500

3 Answers

Front axle does not engage when I shift into 4wd


http://www.fixya.com/cars/t2084504-4wd_wont_work_1999_chevy_tracker_but

If you tracker doesn't require you to be in park or neutral when engaging 4 wheel drive then please try the link above.

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