2002 WJ worn transfer case...HELP - Page 2 - JeepForum.com

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post #16 of 42 Old 09-17-2013, 03:08 PM
MuddyWJ
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Quote:
Originally Posted by yzjwk View Post
I have the 4.0 with quadra-tracII / nv247 so it is a possible combination .

Will the vehicle move if the front DS is removed from a 247 ?
Yes. The 247 doesn't send power to the front until the rears slip.

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post #17 of 42 Old 09-17-2013, 03:11 PM
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Thanks muddy . Neither my ZJ or Wk will move without the front DS ( well it's a bad idea anyways) .
Good info

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post #18 of 42 Old 09-17-2013, 03:17 PM
rdkendrick
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Originally Posted by MuddyWJ View Post

WJs don't have QD2 either that's the WK. We only have Quadra-Drive, Selec-trac and Quadra-trac 2. I think some early models actually came with Quadra-trac 1 but am not entirely sure. Super easy to RandR. A buddy definitely helps and you'll need two jacks. One to support trans and the other for the crossmember.
You are probably right, for some reason, I am seeing Quadradrive II in my head. My car is getting the AC compressor and spark plugs changed, today, so I can't check.

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post #19 of 42 Old 09-17-2013, 07:19 PM
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From WJJEEPS----> http://www.wjjeeps.com/tcases.htm


WJ transfer cases
System Case Features
1. Quadra-Trac I NV147 (2004) On-demand; utilizes a gerotor coupling for improved response; high-range only (does not include neutral or low-range positions).

2. Quadra-Trac II NV247 (1999-2004) On-demand; includes low-range (2:72:1); single lever transfer case mode operation.

3. Selec-Trac NV-242 (1999-2004) Full-time; two speed with shift on the fly; includes low-range (2:72:1); allows for two- or four-wheel-drive mode; full or part-time 4WD; single lever transfer case mode operation.

4. Quadra-Drive NV247 (1999-2004) On-demand; utilizes a gerotor coupling in the Quadra-Trac II transfer case and in the Vari-Lok front and rear progressive axles to send torque to the front driveshaft and/or from side-to-side within each axle when wheel slippage occurs; includes low-range (2:72:1) single-lever transfer case mode operation.

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post #20 of 42 Old 09-17-2013, 07:21 PM
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Like others have said, I wouldnt worry about a 242 going bad. Most soccer moms probably never put it into 4wd. And if you can source one from a sunny state odds are they never had snow. IE Cal


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post #21 of 42 Old 09-17-2013, 07:31 PM
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Originally Posted by 914pete View Post
So, I was just informed by my local Jeep dealer that my 2002 4.0 Grand Cherokee Laredo needs a new transfer case and front drive shaft which will only cost me around $3700. WTF? That's more then the car is worth. Its got 210,000 miles. Any suggestions? I've been driving it in 2WD only for the last 1.5 years because of the worn transfer case but now am getting pretty bad vibration and noise from the front end at highway speeds. They tell me this is due to the worn front drive shaft.

If I'm not using 4WD, do I even need the front drive shaft? Can I just take it off and still drive the car?
Can the transfer case be rebuilt?
All depends on how mechanically inclined you are.

Have another shop look at it. You could have some or all the following.
Bad front pinion and or bearing (med fix)
bad ujoints or repezza's(easy fix)
bad output bearing on front of TC (easy fix)
Bad other internals in TC, chain, other bearings (med-hard fix)



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post #22 of 42 Old 09-18-2013, 07:38 AM Thread Starter
914pete
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Originally Posted by gcjeeping View Post
Like others have said, I wouldnt worry about a 242 going bad. Most soccer moms probably never put it into 4wd. And if you can source one from a sunny state odds are they never had snow. IE Cal


.
That's what I was thinking however, I rarely ever used 4WD.
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post #23 of 42 Old 09-18-2013, 08:03 AM
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Originally Posted by 914pete View Post

That's what I was thinking however, I rarely ever used 4WD.
Then in would just pull the DS and see how it drives and if that fixes the vibration you are feeling until you have time/money to replace both and get your 4wd back. You can just leave the yokes on. 20 minutes of work might be worth it.. It is very easy to pull a DS.
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post #24 of 42 Old 09-18-2013, 08:11 AM Thread Starter
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Here's a interesting thought, I've never changed or even checked the fluids in the TC. Has anyone had similar problems where the 4WD engages yet sounds god awful ie grinding and found that the fluid just needs to be changed? Or is the damage done?

Has anyone replaced their TC and front Axle? Any tricks or things to look out for when swapping them out that I should know in advance? I'll be buying used parts off Ebay towards the end of the week.
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post #25 of 42 Old 09-18-2013, 08:12 AM Thread Starter
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Originally Posted by brouwmat View Post
Then in would just pull the DS and see how it drives and if that fixes the vibration you are feeling until you have time/money to replace both and get your 4wd back. You can just leave the yokes on. 20 minutes of work might be worth it.. It is very easy to pull a DS.
Thanks. I will definitely do this this weekend.
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post #26 of 42 Old 09-20-2013, 07:31 AM Thread Starter
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Question, if I'm driving in 2WD is the front drive shaft even spinning? If its not spinning then why would I be getting any vibrations and noise at highway speeds from it and therefore what good would it be to remove it?

I got under the car yesterday and confirmed I have a 242J TC. I grabbed the front DS at the yoke/TC and there is what I think quite a bit of play. I can push the DS/yoke up and down probably an 1/8". I'm assuming that's whats making all the noise when I have it in 4WD.
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post #27 of 42 Old 09-20-2013, 07:41 AM
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Originally Posted by 914pete View Post
Question, if I'm driving in 2WD is the front drive shaft even spinning? If its not spinning then why would I be getting any vibrations and noise at highway speeds from it and therefore what good would it be to remove it?

I got under the car yesterday and confirmed I have a 242J TC. I grabbed the front DS at the yoke/TC and there is what I think quite a bit of play. I can push the DS/yoke up and down probably an 1/8". I'm assuming that's whats making all the noise when I have it in 4WD.
Yes it spins at all times. You don't have free hubs. Just remove the driveshaft already.

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post #28 of 42 Old 09-20-2013, 07:45 AM Thread Starter
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Another issue, when I shift into reverse and start backing up, the back up lights don't come on. I have to move the shifter between reverse and neutral and hold it there in order to keep the back up lights on. The jeep dealer tells me I need a new neutral safety switch. Does that seem right?
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post #29 of 42 Old 09-20-2013, 07:46 AM Thread Starter
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Originally Posted by skain8 View Post
Yes it spins at all times. You don't have free hubs. Just remove the driveshaft already.
LOL....Removing it tomorrow. Thanks.
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post #30 of 42 Old 09-20-2013, 12:32 PM
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Originally Posted by 914pete View Post
Another issue, when I shift into reverse and start backing up, the back up lights don't come on. I have to move the shifter between reverse and neutral and hold it there in order to keep the back up lights on. The jeep dealer tells me I need a new neutral safety switch. Does that seem right?
If you have the 42RE you do. If you have the (5)45RFE , You don't, it's a different setup.

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