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I have a 1988 jeep wrangler 4wd when I put it in 4wd really bad grinding noises happen it feels like gear teeth are getting broken off it is badd pleas

Like some teeth are breaking off please hep

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  • Cars & Trucks Master
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You cant fix this ... dont use the 4 X 4 mode and have a professional look at this before you do more damage.

Posted on Nov 05, 2012

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6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: popping or grinding noise when placed in reverse

check the rear dif.

Posted on Nov 24, 2008

davespcr
  • 115 Answers

SOURCE: when in 4wd it makes a noise

Is the noise in the front or middle? If it's in the front, it is most probably a wheel hub or differential case bearing. First I would check (or replace) all the gear lube in the transfer case and both differentials.
If the sound is under the middle of the jeep, it's probably a front output bearing in the transfer case.

Posted on Jan 16, 2009

  • 6982 Answers

SOURCE: 93 jeep wrangler stuck in second gear

If your clutch is operating properly, the problem is inside the transmission, either shift forks or lost adjustment on rails. You may have damaged the brass synchro gears by not taking care of this right away. First though, make sure the clutch is releasing, check for internal bypassing ,leaks and slave cylinder operating properly (some slaves are part of throwout bearing and cannot be serviced unless trans is removed)

Posted on Jun 05, 2009

  • 295 Answers

SOURCE: manual transmission grinds/crackles in 5th gear

The syncronizers and blocker ring are damaged some stores like auto zone have a super synthetic gear lube I had this problem in my 95 wrangler and the problem went away. Its going to be hard to find tranny parts for that car I just put a new tranny in from the junk yard with 70k miles for $200 its in perfect operating condition.

Posted on Aug 19, 2009

  • 6982 Answers

SOURCE: 4wd makes loud noise, also pops out of 4wd

Sounds "used and abused"!!! Likely you have more than one problem. Transfer case may need linkage adjustment or rebuild. Grinding from where? Wherever the noise is, look for a problem. Pulling can be from any number of front end component failures. Your best bet is to give everything a careful inspection or have a reliable shop go over it for you. There are so many variables in this I couldn't possibly give you any real answers!!!
good luck!

Posted on Oct 23, 2009

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My 89 jeep wrangler islander only drives in 4 Lo. If I put in 2 hi it clanks and I can hear the gears grind. First gear works decent but once you switch to second you can hear it grind again. What could my...


old dog , jeep, sure.
its a PART TIME 4wd, not AWD.
you post but forget (100s like this here) with no road surface stated.
dirt, ice, snow, off road, pavement. what??

my wild guess, is this car is new, to you,
and you never read the operators guide yet.
lost 25 years ago, but sold on fleabay
PT-4wD
do not drive on pavement dry , or you WILL wind it up.
WHEN I SAY 4wd I MEAN , the front lockers are locked AND
the transfer case is in 4wd.

Here is the best page on the net for PT-4WD
here we go , WINDUP. 101

http://www.rubicon-trail.com/4WD101/driveline-bind.html

answer, is , DONT DO That.

Mar 31, 2014 | 1988 Jeep Wrangler

1 Answer

Clicking sound in 1988 jeep transmission or front end


As it is nearly impossible to make creditable diagnosis of any noise like this without a ride and hearing it first hand I can only suggest you seek the help of a dealer or trusted repair shop in your area. Thanks

Jun 05, 2012 | 1988 Jeep Wrangler

1 Answer

Wrangler will not go into 4wd. Drive shaft turns into differential but no power comes out.


You may have a broken axle shaft. Put it in gear, jack it up and see what happens when you turn the wheels. They should each turn in opposite directions. Get someone to hold the other wheel and see if you can turn the yours. If it turns them something is broken.

Nov 20, 2011 | 1993 Jeep Wrangler

1 Answer

I was driving to work this morning and was in 3rd gear, went to down shift at a stop sign and its stuck in 3rd gear. 1988 jeep wrangler. It has been grinding the gear for a few weeks now everytime I change...


The 3rd Gear Synchro is worn or damaged, which is why it grinds when you try to upshift or downshift into 3rd gear. When it goes out completely you will have a very hard time shifting into 3rd gear, since the Synchro lines up the gears to make shifts smooth and easy.

Aug 24, 2011 | 1995 Jeep Wrangler

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2000 Jeep Cherokee Gear Grinding & 4WD Whine sound


Give a try by change your transmission/filters and Transfer case oil.

Oct 27, 2009 | 2000 Jeep Cherokee

1 Answer

4wd makes loud noise, also pops out of 4wd


Sounds "used and abused"!!! Likely you have more than one problem. Transfer case may need linkage adjustment or rebuild. Grinding from where? Wherever the noise is, look for a problem. Pulling can be from any number of front end component failures. Your best bet is to give everything a careful inspection or have a reliable shop go over it for you. There are so many variables in this I couldn't possibly give you any real answers!!!
good luck!

Oct 22, 2009 | 1999 Jeep Cherokee 4WD

1 Answer

Manual transmission grinds/crackles in 5th gear


The syncronizers and blocker ring are damaged some stores like auto zone have a super synthetic gear lube I had this problem in my 95 wrangler and the problem went away. Its going to be hard to find tranny parts for that car I just put a new tranny in from the junk yard with 70k miles for $200 its in perfect operating condition.

Aug 19, 2009 | 1990 Jeep Wrangler

3 Answers

Grinding starter on my 1988 Ford Bronco II


the sound you hear is the starter grinding against broken teeth on the flywheel, for that to be repaired the flywheel on the vehicle will need to be replaced.

MIKESTA

May 11, 2009 | 1985 Ford Bronco II

1 Answer

Transmission or Clutch problem?


Jeep #1: Sounds like a shift linkage problem. Possibly synchro forks are sliding back and forth on shift rails and are out of adjustment. This is internal and cannot readily be fixed without trans removal as far as I know. Hydraulic clutch system is non-adjustable. A new clutch should last at least 70K so, unless it was installed improperly, it should be OK. Check hydraulics for leaks & bleed. Clutch should "catch" about two inches off floor (not too low or not too near top of travel)
Jeep#2: Has a synchro or other internal gear problem... Symptoms are similar but gringing and clicking noises indicate worn or broken internal components!
Good luck to both!

Dec 21, 2008 | 1989 Jeep Wrangler

1 Answer

5th. Gear


Sounds like you may have bent a shift fork or your cluster gear has some missing teeth on it now. I would venture to say that is it a bent shift fork. This will require the transmission be removed to gain access to inspect and repair.

Dec 06, 2008 | 1992 Jeep Wrangler

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