Go Back   Jeep Garage - Jeep Forum > Jeep Platform Discussion > Grand Cherokee - ZJ

Join Jeep Garage Today
Reply
 
Thread Tools Display Modes
 
  #1  
Old 11-06-2011, 02:25 AM
BLACK DOG's Avatar
Premium Member
My Jeep: 2007 5.7L WK
 
Join Date: Jul 2010
Location: BC., Canada
Posts: 434
Thanks: 21
Thanked 0 Times in 0 Posts
Rep Power: 1845
BLACK DOG has a reputation beyond reputeBLACK DOG has a reputation beyond repute
Rear Axel Fluid Problem ??

Just bought another 98 ZJ LTD. descent shape with low miles (sitting on the lot for about a year) and took it to a lube shop for an oil change and check out all fluids said I needed rear diff Synthetic oll changed, (metal shavings and dirty)
They changed oil and added LS Additive and now I hear a scraping sound from the rear end when making L or R turns and it feels like the axel is locked. maybe the outer bearings are dry (shot)
Any ideas guys ??

Turns out there is a problem with the transfer case, maybe from sitting so long? (dealer suggested changing fluid and driving in figure 8's to try and break it loose) really don't understand how that would help but will give it a try...
I'm now wondering if I can swap it with a select track case without any elec. or shifter mods... I kinda like that option, if the quadra track is toast
__________________

__________________
Reply With Quote
  #2  
Old 11-21-2011, 09:31 AM
Frango100's Avatar
The BEAST from Brazil

My Jeep: 2004 4.7L WJ
 
Join Date: Dec 2009
Location: Brazil
Posts: 4,330
Thanks: 8
Thanked 32 Times in 31 Posts
Rep Power: 524726
Frango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond reputeFrango100 has a reputation beyond repute
Re: Rear Axel Fluid Problem ??

Hi Bob,

The problem you described when making turns, is probably one of the rear wheels slipping because of a locked trac-lok in the diff. If the jeep was not doing this before the fluid change, there is probably not enough limited slip additive in the diff. When it was, probably the trac-lok is shot. When you jack up the rear and turn one wheel, initially the other wheel should turn in the opposite dirtection and after a few turns the trac-lok should lock and both wheels turn the same direction. If they turn in the same direction from the beginning, the trac-lok doesn't disengage.
What is the problem with the t-case? The coupling in there should only engage when there is a speed difference between the rear and front propeller shaft. Wouldn't expect making figures 8 would create this difference.
__________________

__________________
Frank

JEEP Grand Cherokee 4.7 Lmtd 2004
HID 8000K in low and fog / Quad Squad member
Monroe Reflex shocks / Pirelli Scorpion ATR 245/65/17 - Transgo reprogramming shiftkit.

VW Beetle 2.0 TSI 2013
My new toy
Reply With Quote
The Following User Says Thank You to Frango100 For This Useful Post:
  #3  
Old 11-21-2011, 11:35 AM
BLACK DOG's Avatar
Premium Member
My Jeep: 2007 5.7L WK
 
Join Date: Jul 2010
Location: BC., Canada
Posts: 434
Thanks: 21
Thanked 0 Times in 0 Posts
Rep Power: 1845
BLACK DOG has a reputation beyond reputeBLACK DOG has a reputation beyond repute
Re: Rear Axel Fluid Problem ??

Hi Frank,
This jeep was sitting on a lot for more than a year, so my first thought was to change the fluids when I noticed this happening. I wanted the oil changed anyway so while I was at the quick change oil shop I had them check all the fluids and they said the rear Diff was dirty so I had that changed and additive added as per owners manual recommendation for towing package. the jeep was still making a noise (sort of a scraping growling sound ) when making left or right turns. so I asked a friend at the Jeep
dealers, who is the service manager. he said this is caused by the transfer case locking and try changing the T case fluid which I did and he recommended the figure 8s to try and loosen or break free the drive train I tried that and it didn't help. It feels like the drive train is locked front and rear and not just the normal wobble from the front axel locking you feel when making a U-turn.
Some other issues I have noticed... it seems to take more power than it should when reversing and when coasting down a long steep hill the engine RPMs don't drop to idle speed even when the trans is shifted to neutral. the car just creeps along at idle speed, (no more than 2-3 klm) my 6 cyl ZJ will roll along at 20 klm @ idle.
I think I'll take it to a trans shop and see what they say...( I would like to get a 2 wheel drive transfer case swap anyway) but I want to be clear what the problem is first.

thanks for your help Frank good to hear from you again, Bob.
__________________
That's the WRONG side of this fence Bub, and these ain't Halos.. Daddy don't like anyone in here with hiz jeeps Let's play chase yer ballz

07 WK LTD 5.7, with 13000 klm (7600 miles)So Far... repaint and debage, probly shoulda just got the SRT in the begining...now Im gonna hafta go expensive exotic aftermarket to be Blissfully Demented. SRT Nose and Stillens shiney new shoes SRT springs, Front/Rear Sways, WK HD Bilsteins, a couple of plastic bits from JforJ, all ready to go on. SRT Headers and mid pipes with cats waiting for the new predator inTune ( it'll match my new iPhone...Wait maybe its a iPhone app ) SRT coil covers & roof rails another problem to be solved
Reply With Quote
  #4  
Old 11-30-2011, 05:17 AM
BLACK DOG's Avatar
Premium Member
My Jeep: 2007 5.7L WK
 
Join Date: Jul 2010
Location: BC., Canada
Posts: 434
Thanks: 21
Thanked 0 Times in 0 Posts
Rep Power: 1845
BLACK DOG has a reputation beyond reputeBLACK DOG has a reputation beyond repute
Re: Rear Axel Fluid Problem ??

Just an update...
It Seems this problem is getting better as I drive it a bit and get a few miles on it...It still seems like its going to seise up when in reverse steering wheel turned to near lock either way,,,,curiouser an curiouser??? maybe I should try a couple of reverse figure 8s
__________________
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Rear Differential Fluid Change ChrisWk Grand Cherokee - WK 27 02-15-2012 07:50 PM
Axel Seal Crestwood1001 Troubleshooting/Problems 9 09-26-2011 07:33 PM
Noisey shock or rear axel? bobbyw47 Troubleshooting/Problems 4 07-21-2011 07:30 AM
Experience with Front and Rear Differential Fluid Brands IUJeep Grand Cherokee - WK 5 06-15-2011 10:53 PM
WK Front and Rear Differential Fluid Change ahamay115 Grand Cherokee - WK 53 04-23-2011 05:55 PM

Powered by vBadvanced CMPS v3.2.3

All times are GMT -5. The time now is 01:23 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Copyright 2012 - JeepGarage.Org
The Jeep Grand Cherokee Owners Community