Question about 1992 Jeep Wrangler

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4 wheel drive problem on Jeep YJ

4 wheel drive on 95 Jeep yj wont engage. Goes into gear but doesn't engage.

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  • jeepjenn Dec 21, 2008

    I have vac...but won't engage.

  • jeepjenn Dec 21, 2008

    Thanks so much...will check it out! :)

  • jeepjenn Dec 21, 2008

    Where would I find it...is it a dealer part?

  • jeepjenn Dec 21, 2008

    I'll have a look. Thanks again!!

  • revrend72 Jan 18, 2009

    I just bought my 87 jeep and they told me there was a vacuum problem ans thats why 4 wheel drive wont work

  • bbhelsley Jan 22, 2009

    Where is the vacume syliod located on the front axle. Are they easy to replace?

  • jeepjenn Jan 26, 2009

    I had the same problem. The vac. actuator is a dealer part only...I was told and it was $400!! The guy told me to take it apart and check to see if it was clogged/dirty as that could have been the problem. We did as he said , it was dirty....cleaned it out and it works just fine! Hope that helps you out!

  • jrrowray Feb 21, 2009

    1989 jeep YJ hard to get in 4 wheel drive.then viberats in front right wheel.

  • dwdjeep Feb 26, 2009

    I have a 92 YJ Jeep Wrangler with the 4 litter engine. The front wheels do not ingage when I put the shift lever into either 4 high or 4 low and the light on the dash does not come on. What is the problem? Is there an electrical sensor or switch that needs to be replaced?

  • bbhelsley May 11, 2010

    92 wrangler wont engage the fornt wheels in 4 wheel drive. It has vacume, and the fork works, back and forth, still the front wheels dont turn

  • Anonymous Mar 16, 2014

    Jeep. 4 wheel drive actuator

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3 Answers

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You can also check the 4 wheel drive vacuum switch on top of the transfer case...got mine for 10 bucks from parts store...fixed the problem

Posted on Jan 26, 2009

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Check the Vac, seloind on the front axel

Posted on Dec 21, 2008

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  • stumpy411 Dec 21, 2008

    Check the Vac, seloind on the front axel

  • stumpy411 Dec 21, 2008

    I run alot of jeeps, that vac accucator in the front axel is bad then,, they are cheap to replace.

  • stumpy411 Dec 21, 2008

    No problem, glad I could help

  • stumpy411 Dec 21, 2008

    Not a dealer item,, you can order threw any auto parts store.. If you have a NAPA by you they are the cheapest, usually around $40.00..

  • stumpy411 Dec 21, 2008

    No Problem..

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I have a 1995 YJ 2.5 litr engine. The 4 WD works sporadically. Once it engages it is strong, the problem is that it engages when it wants to.

Posted on Nov 29, 2009

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1 Answer

91 jeep wrangler YJ shifting problems


do you mean it wont go into gear ? if so what gears ? it could be the clutch going out , if the pedal is soft or easy to push down than it probably needs a clutch. next time it wont go into gear try pumping the clutch or putting it from 2nd to 1st or what ever gear it has problems with

Dec 18, 2013 | Cars & Trucks

1 Answer

I have an 89 jeep wrangler yj, when i try to engage 4 wheel drive front shaft is turnin but front tires are not pulling. any ideas of might be the case? just bought it and prior owner i dont think used the...


If you have a square box mounted to the right front axle tube, make sure the vacuum lines are attached to it and that it's working. If it's OK, then you have likely either have a broken differential gear set, broken outer axle joint or axle itself. I'd bet on the vacuum hose though. They did away with that unit in later jeeps because it was always getting disconnected.

Apr 30, 2011 | Jeep Wrangler Cars & Trucks

1 Answer

1995 Jeep YJ with a new engine. No power going to coils.


sounds like you are working on a car FSM free?
why do that?
95 YJ
early wrangler
i have 95 yj fsm and 93, the 93-95 are a year class range.
very simular.
here is a free 93 fsm with full schematics in chapter 8w
wiring chapter, clik
pdf 76 is page YJ 19 actual
and as you can see its cave man simple 2 wires.
minus to ECU ignitor driver. transistor (inside ecu)
and
+ goes to
a142 sheet 5 (pdf 62)

im not sure what part A<B<C is, a fuseable link, is my guess
and is blown. but that be a bingo spot for sure.
the full manual is there.
see spark chapter.
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

posted over 100 times, this link, its not new.

Feb 13, 2010 | 1995 Jeep Wrangler

1 Answer

92 wrangler wont go into four wheel


If you have an actuator box on the passenger front axle that may be disconnected or broken. If not remove the cover from the front differential and check the gears...they may be broken.

Jan 13, 2010 | 1992 Jeep Wrangler

1 Answer

1990 jeep yj 4 wheel drive issues


what are you trying to say is that the front wheels wont engage?? if this is your problem? check the actuater on the passenger side axle there are 3 lines that go to it and that is what pulls it in and pushes it out of gear by air.

Oct 06, 2009 | 1990 Jeep Wrangler

2 Answers

My 89 Jeep YJ manual will not go in to reverse while running


Problem is likely either a worn shift fork or bad synchro (both inside the transmission) It's unlikely that you have a clutch problem otherwise the problem would be with first and reverse and shifting other gears would also be difficult.

Sep 01, 2009 | 1989 Jeep Wrangler

2 Answers

4 wheel drive doesnt work.


Has this Jeep been modified at all?
It sounds like the shifter cable was reinstalled backwards.
Specifically the 4-Low "Not Climbing Well". 4-Low should give you the best torque and hill climbing ability.
Do you feel any "Binding" in the steering wheel (difficult to turn)?
Remember a Jeep uses real driveshafts and differentials to give you 4WD - you cannot engage 4WD or 4-Low on dry hard surfaces. It needs a little bit of slip between the wheels for turns.
Check you're fluids too.

Jul 11, 2009 | 1992 Jeep Wrangler

3 Answers

Looking for Service Repair Manual Jeep Wrangler YJ


i have a 1988 jeep wrangler 6cyl with 5 speed transmission. I was shifting the jeep and it got stuck in third gear. We opened it up and saw that the linkage is aligned and everything is in place. I dont know what is wrong and what to do next. please help ....

Jul 10, 2009 | 1992 Jeep Wrangler

1 Answer

4 wheel drive light is on in my jeep


vacumn pod on the front axel is stuck on. Jack up the front wheels spin both tires at the same time and see if the front drive shaft turns. If it does the 4x4 on the axel is engaged. The front drive shaft on these should not turn when vacumn pod is disengaged. YJ's have a split axel on the right side inner axel shaft.

Apr 10, 2009 | 1992 Jeep Wrangler

1 Answer

1987 Jeep YJ [Wrangler] so owner ship says''


Our Jeep Wrangler YJ's are equipped with a vacuum module on the front axle. It is used to engage the front axle when the transfercase is shifted into 4WD. Check the vacuum lines on the front axle to make sure they are connected. The passenger side axle shaft has a disconnect sleeve that is moved left and right by the vacuum.

Mar 01, 2009 | 1987 Jeep Wrangler

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