Question about 1984 Jeep Cherokee

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4X4 not working

I have a 1984 Jeep. The 4x4 will not engage. I looked at the vacuum coupler and it seems fine. I'm stumped.

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  • rhg95jeep Nov 25, 2008

    The light does not come on (could just be the bulb). The transfercase will make noise (grind) when moving. It seems that the front hubs do not lock in. I was thinking it was a vacuum or electrical problem. Where could I find a diagram for this system?

  • Badlax May 11, 2010

    What are the symptoms? Any sounds when shifting in and out of 4wd? Details....

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Okay so I also have an '84 they are the ugly ducklings of the XJ world. and also came with the shi**iest parts. You front axle is a high-pinion Dana 30...toward the passenger side there is a housing that holds an actuator fork (engauges the front axle), most commonly these vac systems go bad, have a leak, or the fork is shot.

I recommend becoming a member (or at least visiting) naxja.org. its all about our cherokees and you can search there for all sorts of diagrams, hints, tips, and advice.

HTH Ed

Posted on Nov 25, 2008

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I have a 1998 tacoma trd 4x4 extra cab and the 4x4 doesn't seem to be engaging what could cause this


check that the 4x4 actuator in the transfer case is engaging
( vacuum lines or electrical solenoid)
check that the auto engage for the front wheels is engaging

Mar 12, 2015 | 1998 Toyota Tacoma

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4x4 won't engage


You have a Vacuum Leak that is not allowing the Front Hubs to engage... I do believe that 1996 Dodge has Vacuum hubs on the Differential

Feb 13, 2014 | 1996 Dodge Ram

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Jeep comanche 4x4


check the condition of the vacuum hose as it may have cracks in it or it is loose on the actuator.

Dec 21, 2013 | Jeep Cars & Trucks

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On the dash of my 92 pajero the two front wheels keep flashing green when its not in 4x4 how ever i degreased under the engine and gearbox and realised after.that the lights had stop flashing until my son...


4X4

On these issue, there are few solved help links for troubleshooting the issue easily.-------

Click the link below: ---

No 4x4 light on dash?

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

-----------

4X4 Truck makes roaring noise in the front end?

http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html

-------------

Car will not go into 4WD high or 4WD low?


http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

--------------

No 4x4 light on dash?

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

------------

4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

----------

4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

----------

2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

----------

Traction control switch will not engage on 4WD High or Low

http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

-----------

4WD light flashing and 4WD will engage after few minutes

http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html

------------

2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?

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

----------

4x4 front differential will not engage the axle on ford?

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

-------

4x4 will not engage on Ford F150?

http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html

-------------

Dodge Ram 4x4 light keeps flashing

4X4 LOW LIGHT IS FLASHING ON DASH

http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html

----------

Ford 4x4 front wheels will not engage?

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

-------------

These details will help.

Thanks.

Nov 28, 2012 | 1992 Mitsubishi Pajero

2 Answers

2003 Montero Limited, will not go into 2w high . What is the most Common fault?


Yes larry is very correct.Try going in reverse.

On these issue,there are few solved help links for troubleshooting the issue easily.-------

Click the link below:---
No 4x4 light on dash?

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

-----------
4X4 Truck makes roaring noise in the front end?

http://schematicsdiagram.blogspot.com/2012/01/4x4-truck-makes-roaring-noise-in-front.html

-------------
Car will not go into 4WD high or 4WD low?


http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

--------------
No 4x4 light on dash?

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

------------
4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

----------
4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

----------
2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

----------

Traction control switch will not engage on 4WD High or Low

http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

-----------

4WD light flashing and 4WD will engage after few minutes

http://repairhelpcenter.blogspot.com/2012/10/4wd-light-flashing-and-4wd-will-engage.html

------------
2008 Toyota Tundra: 4x4 Wheel Drive Light is Flashing?

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

----------
4x4 front differential will not engage the axle on ford?

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

-------
4x4 will not engage on Ford F150? http://technoanswers.blogspot.in/2012/02/4x4-will-not-engage-on-ford-f150.html

-------------
Dodge Ram 4x4 light keeps flashing 4X4 LOW LIGHT IS FLASHING ON DASH

http://technoanswers.blogspot.in/2012/09/dodge-ram-4x4-light-keeps-flashing.html

----------
Ford 4x4 front wheels will not engage?

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

-------------

These details will help.

Thanks.

Nov 26, 2012 | Cars & Trucks

1 Answer

Vacuum diagram for 1990 jeep cherokee 4.0 liter


i have a 1990 jeep cherokee lerado 4x4 but my 4x4 dont work when i engage it it spins the drive shaft but the front axel just dose nto spend i am trying to find a wat to bve able to tell where evrything needs to be hooked up to

Jul 19, 2012 | Jeep Cherokee Cars & Trucks

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

2 Answers

My 2001 Jeep grand cherokee 4x4 i dont think is working right, whe i put it into 4x4 it goes fine, but when i take it out of 4x4 it takes acouple mile to kick back into 4x2, is this normal


it could be that the change mechanism is sticking. this does not seem normal.
try doing the change from 4x4 to 4x2 while stationary it should switch straight away. if not there is a problem
suspect transmission oil may be low or need replacement.

Nov 14, 2009 | 2001 Jeep Grand Cherokee

2 Answers

New to 4x4


Best way to engage 4x4 that I've found is to keep the vehicle rolling at 15-30mph and just engage 4 high. Generally, you don't need 4low unless in extreme conditions (pulling stuff etc) It gets about as much use as driving in 1st gear with a passenger car with auto trans! When disengaging, do the same... generally does not disengage for a few yards, but it will eventually! There is usually a brief summary on inside of sun visor. you can usually find a owners manual in scrap yards, if they let you check glove boxes.Unless you buy a shop manual, if you have ever driven anything, there is pretty limited info in them, but still a good "quick reference" for simple stuff.

Dec 26, 2008 | 1989 Jeep Cherokee

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