how to tell if transfer case is going bad or already bad? - JeepForum.com
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post #1 of 17 Old 12-07-2009, 12:38 AM Thread Starter
Rickyb
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1995 ZJ 
 
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how to tell if transfer case is going bad or already bad?

help me i need to know asap before i either buy a new t-case or a new transmission..
no body is helping in my other thread so im posting here...

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post #2 of 17 Old 12-07-2009, 12:44 AM
Kruzin
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Sorry, my crystal ball is in the shop this week.

No idea what your problem is.

'09 Rubicon
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post #3 of 17 Old 12-07-2009, 12:59 AM Thread Starter
Rickyb
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lol sorry!

okay, the other day im driving and I hear a clunk and then grinding, go home, let it sit, morning comes, start car, let warm up for 5 mins, put gear selector in reverse so I can put my jeep on ramps, it doesn't doo anything, put in drive, same thing, the only way I got it to move was by having a couple buddies push my jeep backwards while I was in reverse and pressing the gas and then it caught and it was fine until the next day, im at work, 6 inches of snow when I get off work, go to my car start it, again I always let it warm up for 3-5 mins, put in Drive and press gas, sounds like a grinding like noise..I put right foot on gas, left outside of car and give it a good ole man power push and it kicks in and moves foward, put in reverse right after and it doesn't move, but drive does.
should I adjust the tranny rear band or replace t-case?
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post #4 of 17 Old 12-07-2009, 01:05 AM
Boodyrider
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Start by checking trans fluid.

Also... put gear selector in neutral for a few seconds before putting in drive. Park does not engage the trans pump in your Jeep auto.

97 TJ Sport - 4.0/HP D30 w ARB/8.8 w LS/4.88s; 35s and flat fenders on 2.5 lift

84 CJ7; frame off restoration in progress.

The technical advice you get from me here is worth exactly what you paid me for it. Warranty issues will be reimbursed at double what you paid me for the advice.
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post #5 of 17 Old 12-07-2009, 01:06 AM
Tiggerrrrr
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I just read your other post as well. From what you've said so far, it could be either the tranny or the TC. I would start by pulling the transfer case and cracking it open to see if anything is messed up there. If the chain has stretched it could be slipping on the gears. That could also explain why it would catch when being pushed. Keep in mind this is not a definitive answer. It's where I would look 1st as it's the cheaper, simpler fix.

'95 ZJ Limited 4.0
2.25" BB , 31 10.5 15 Treadwright MTG's on Black Rock steelies
Everything "pimpin' Gold" REMOVED!


Looking for a REAR tow hook and bracket!
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post #6 of 17 Old 12-07-2009, 01:07 AM
Tiggerrrrr
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Quote:
Originally Posted by Boodyrider View Post
Start by checking trans fluid.
He did that already according to his other post.

'95 ZJ Limited 4.0
2.25" BB , 31 10.5 15 Treadwright MTG's on Black Rock steelies
Everything "pimpin' Gold" REMOVED!


Looking for a REAR tow hook and bracket!
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post #7 of 17 Old 12-07-2009, 01:07 AM Thread Starter
Rickyb
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Changed it along with the filter...also drained and changed trans. case, but that won't help if the front and main gear are rounded. which is why im asking whats some signs of a worn and going to die t case.
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post #8 of 17 Old 12-07-2009, 01:08 AM Thread Starter
Rickyb
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Quote:
Originally Posted by Tiggerrrrr View Post
I just read your other post as well. From what you've said so far, it could be either the tranny or the TC. I would start by pulling the transfer case and cracking it open to see if anything is messed up there. If the chain has stretched it could be slipping on the gears. That could also explain why it would catch when being pushed. Keep in mind this is not a definitive answer. It's where I would look 1st as it's the cheaper, simpler fix.
Do you know by any chance what all tools I need?
I have prob. most, but I do need to pick up a in/lbs TQ wrench and snap ring pilers.
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post #9 of 17 Old 12-07-2009, 01:17 AM
Tiggerrrrr
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I haven't had to open a case yet but I know you'll need a good set of snap ring pliers. If it turns out the TC is toast, you might want to search for a how to on swapping your 249 for a 242 as it will be a much less expensive replacement.

'95 ZJ Limited 4.0
2.25" BB , 31 10.5 15 Treadwright MTG's on Black Rock steelies
Everything "pimpin' Gold" REMOVED!


Looking for a REAR tow hook and bracket!
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post #10 of 17 Old 12-07-2009, 01:20 AM Thread Starter
Rickyb
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i already found a 249 with warranty for $99. plus shipping so like $150 all together.
I like all time 4wd, it doesn't bother me one bit.
I don't want to swao because I don't want to have to get my DS shortened and do more then what I need to.
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post #11 of 17 Old 12-07-2009, 01:22 AM
Tiggerrrrr
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Thats a deal!.. Pull yours apart first tho to be sure thats the problem.

'95 ZJ Limited 4.0
2.25" BB , 31 10.5 15 Treadwright MTG's on Black Rock steelies
Everything "pimpin' Gold" REMOVED!


Looking for a REAR tow hook and bracket!
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post #12 of 17 Old 12-07-2009, 01:25 AM Thread Starter
Rickyb
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well i may go to pick n pull and just buy one and change it out and see if that helps.
i don't really feel super comfortable with dissassembling a tcase, i have no problem rebuilding an entire engine, but anything trasnmission/drivetrain i hate.
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post #13 of 17 Old 12-22-2009, 09:46 AM
Hanson
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Hey all,

Could it be his 4 Wheel drive...slipping in and out of neutral ?...I have had that happen in my truck that all of a sudden the truck wanted to put itself in 4 wheel drive but it would only go to Neutral ...Just a question????


Still a TCase problem...but more of a question...than an answer.
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post #14 of 17 Old 12-22-2009, 11:09 AM
CatSplat
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I would check the Tcase linkage, it may just be slipping into N and is in need of adjustment.

1994 5.9L ZJ, retrofitted UC package, NP242 swap, 17" JK Moabs with 32" BFG MT KM's.
The Jeep of Theseus
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post #15 of 17 Old 12-22-2009, 11:51 AM
JrMechanic
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Quote:
Originally Posted by Boodyrider View Post
Start by checking trans fluid.

Also... put gear selector in neutral for a few seconds before putting in drive. Park does not engage the trans pump in your Jeep auto.
The pump is always circulating fluid when the engine is running. It just recycles the fluid into the pan while in park.

Want to swap an NP242 or NP231 into your ZJ? Here's how:
http://www.jeepforum.com/forum/f13/n...pdated-685644/
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