Question about 1990 Jeep Wrangler

1 Answer

The 4wd is not working on my 1990 jeep wrangler what should I do to see if there is only a small problem or a big one I was working but then it stoped but the dif is fine never heard it make any noise wondering if there is something to do with the vacuum pump an what do I look for

Posted by on

1 Answer

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 1 Answer

Check vacuum line first for cracks then start it look at them pass your hand around to feel for air leak ,,if not cranked or leaking prob the vacuum diafram shift on from axel ,i need to change mine

Posted on May 24, 2011

  • yvan tessier May 24, 2011

    go buy a haynes manuel and look at back there s the index you'll find the pa ge that tell how to take it apart.but easy when you do there a fork inside

×

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

2 Answers

Why is there no vacuum in 4wd system?


http://www.wranglerforum.com/f218/vacum-diagram-90-yj-with-4-2-a-89703.html page 5

Apr 02, 2016 | 1990 Jeep Wrangler

1 Answer

My 4 wheel drive is grinding when trying to engage.


90 wrang . what is your hand touching, which shift lever.
manual stick or auto )( tranny, we cant guess that.
4wd ( given clutch and A/T not bad)
are you on ICE or dirt? or pavement.?
part time 4wd does not work on dry pavement (dry means no ice)

if not on ICE/Dirt.??
then read this, it tells you the end zone. the destruction....

http://www.fixkick.com/part-time-test.html

Dec 31, 2013 | 1990 Jeep Wrangler

1 Answer

Just replaced the tranny on my 1990 jeep wrangler 2.5l. when i connected the batt cable to turn on the flashers the hot wire off the starter was touching the side of the stater. there was a little smoke...


check for power in the big fuse box sounds like you have overloaded a cable from the battery to this supply box also make sure the earth from engine to chassis is connected

Oct 22, 2010 | 1990 Jeep Wrangler

1 Answer

1990 Jeep Wrangler, 2.5L 4WD isn't working. I've checked the gear oil and it's fine.


If the external linkage is attached and working it pretty much has to work unless it has an internal failure. (Usually pretty noisy when that happens)
Many times I've seen a differential failure be mistaken for a transfer case problem. disconnect the driveshaft from the front diff and see if you can turn the yoke with the vehicle on the ground. If you can, you should remove the cover and take a look at the gears. Also, if there is a control unit on the passenger front axle, make sure that is working as well.

Jun 11, 2010 | 1990 Jeep Wrangler

1 Answer

1997 Jeep Wrangler 4wd high disengages


you might try checking the linkage on trans case shifter. may need adjusting. might not be getting fully engaged

Feb 06, 2010 | 1997 Jeep Wrangler

1 Answer

HOW DO YOU PUT 1990 JEEP WRANGLER IN 4WD? IT IS A MANUAL TRANSMISSION WITHOUT LOCKING HUBS. IT MOVES WHETHER IN NUETRAL OR 2WH. IS THAT NORMAL? I CAN'T TELL IF IT IS IN 4WD.


i had that problem to. count the number of "clicks" when putting it into different gears. make sure that the shifter does not go side to side while driving...that can cause damage. its an older truck things let go. i have to re-do the seals on my transfer case cause i was driving my jeep inbetween 2H and N and she got hot and poped them.

Feb 06, 2010 | 1990 Jeep Wrangler

2 Answers

95 Jeep Wrangler. When select 4wd lo or high,


there is a vacumn shift motor on your front passenger side axle. these are notorious for problems. check it to make sure it is working.

Feb 03, 2010 | 1992 Jeep Wrangler

1 Answer

1990 Jeep Wrangler 4WD won't engage.


Most likely the vaccum actuator...If that works fine, you COULD have a stuck shift fork in the front differential...unlikely though

Aug 18, 2009 | 1990 Jeep Wrangler

1 Answer

1990 Jeep Wrangler Problem:


1990 Jeep Wrangler. Driving with lights on for 10 - 15 minutes. First the dash lights go out followed by the headlight and tail lights. If you pull the dimmer switch back (like you would to flash your brights at someone) the head lights will come on and as long as you continue to pull back on the dimmer switch the head lights will stay on bright.

Sep 30, 2008 | 1990 Jeep Wrangler

Not finding what you are looking for?
1990 Jeep Wrangler Logo

Related Topics:

109 people viewed this question

Ask a Question

Usually answered in minutes!

Top Jeep Experts

yadayada
yadayada

Level 3 Expert

75807 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22133 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8172 Answers

Are you a Jeep Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...