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Tcase problems in 4lo

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Old Sep 14, 2013 | 09:20 PM
  #1  
Slim357's Avatar
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From: Wilmington,NC
Year: 1989
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Engine: 4.0
Default Tcase problems in 4lo

Ok so I did a few donuts in 2wd then my roommate wanted to dout that the XJ could do it in 4lo so stupid me dropped it down and proceeded with the donuts granted it was in the grass but was pretty stupid on my part. 4lo will engage for about 2ft now and then it pops out and grinds but if I go to neutral and back to drive it works for 2ft more. Did I stretch the chain or chip a tooth? 4hi and 2wd work perfect just not 4lo.
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Old Sep 14, 2013 | 10:41 PM
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Year: 1990
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Adjust your linkage:

Transfer Case Linkage Adjustment
Straight from the FSM:

SHIFT LINKAGE ADJUSTMENT
(1) Shift transfer case into 4L position. (make sure your shifter is fully in the 4L position)
(2) Raise vehicle.
(3) Loosen lock bolt on adjusting trunnion (Fig.
87).
(4) Be sure linkage rod slides freely in trunnion.
Clean rod and apply spray lube if necessary.
(5) Verify that transfer case range lever is fully
engaged in 4L position. (you can do this under the vehicle at the transfer case)
(6) Tighten adjusting trunnion lock bolt.
(7) Lower vehicle

And check your engine and trans mounts!!!
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Old Sep 14, 2013 | 10:46 PM
  #3  
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From: ☼ Blackhole Sun
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"And check your engine and trans mounts!!!"

+1, look for bolts torn/sheared out of the block.
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Old Sep 14, 2013 | 11:47 PM
  #4  
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From: Wilmington,NC
Year: 1989
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Originally Posted by cruiser54
Adjust your linkage:

Transfer Case Linkage Adjustment
Straight from the FSM:

SHIFT LINKAGE ADJUSTMENT
(1) Shift transfer case into 4L position. (make sure your shifter is fully in the 4L position)
(2) Raise vehicle.
(3) Loosen lock bolt on adjusting trunnion (Fig.
87).
(4) Be sure linkage rod slides freely in trunnion.
Clean rod and apply spray lube if necessary.
(5) Verify that transfer case range lever is fully
engaged in 4L position. (you can do this under the vehicle at the transfer case)
(6) Tighten adjusting trunnion lock bolt.
(7) Lower vehicle

And check your engine and trans mounts!!!
Engine and trans mounts are ok no broken bolts. Will try and do the tcase linkage adjustment sometime tomorrow if I have time. Will post an update then
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Old Sep 15, 2013 | 09:54 AM
  #5  
1990 XJ-Texas Edition's Avatar
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From: Corpus Christi, TX
Year: 1990
Model: Cherokee
Engine: L6 242cid FI I-6
Default

Originally Posted by Slim357

Engine and trans mounts are ok no broken bolts. Will try and do the tcase linkage adjustment sometime tomorrow if I have time. Will post an update then
Or take your t-case shifter bezel off and look for loose change. That was my problem except it was 4hi that wouldn't engage but 4lo worked fine
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Old Sep 15, 2013 | 10:30 AM
  #6  
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From: Canton, MI
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Drain your TC fluid in a clean pan and look for metal in the pan. If you find lots of metal suspended in the fluid, say good night Gracie.
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Old Sep 15, 2013 | 12:40 PM
  #7  
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Originally Posted by CCKen
Drain your TC fluid in a clean pan and look for metal in the pan. If you find lots of metal suspended in the fluid, say good night Gracie.
Good idea. Oh dopey me ASSumes normal maintenance ahs been performed.
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Old Sep 15, 2013 | 01:01 PM
  #8  
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As much as I dislike jesus juices, I've been using this "Instant Quiet" in my TC for the last several fluid changes. It seems to work okay.

I bought a used 242 TC with 109,000 on it and when I drained what fluid there was in the TC it came out looking like coffee with triple cream and had bronze in the fluid. Filled with fresh ATF and drove it then redrained. This ATF had Bronze it it. Refilled and let it go.

It was making noise so I added a bottle of Instant Quiet at the next change. The noise immediately went down. I've been using it since.

In that a TC will run on anything, including vomit, This stuff couldn't possibly hurt.....I hope.

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Old Sep 15, 2013 | 02:30 PM
  #9  
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Originally Posted by 1990 XJ-Texas Edition

Or take your t-case shifter bezel off and look for loose change. That was my problem except it was 4hi that wouldn't engage but 4lo worked fine
Lol I did that already
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Old Sep 15, 2013 | 04:58 PM
  #10  
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Originally Posted by Slim357
Lol I did that already
Looking for money to buy fluid? LOL.
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Old Sep 15, 2013 | 07:44 PM
  #11  
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Originally Posted by cruiser54

Looking for money to buy fluid? LOL.
More like gas lol
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Old Sep 15, 2013 | 08:18 PM
  #12  
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Originally Posted by Slim357
More like gas lol
Kind of Slim pickings lately uh?
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Old Sep 15, 2013 | 10:35 PM
  #13  
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Originally Posted by CCKen

Kind of Slim pickings lately uh?
Lol ya you could say that. Been working for myself for the last two months but hasnt been all bad its just remembering not to spend every dime on the XJ.
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