Rear pinon seal leaking - Jeep Wrangler Forum
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > TJ Jeep Wrangler Forum > TJ General Discussion Forum

Join Wrangler Forum Today


Reply
 
Thread Tools

Please support our sponsors and let them know you heard about them on WranglerForum.com
Old 04-01-2011, 01:05 AM   #1
Jeeper
 
Join Date: Mar 2011
Posts: 32
Rear pinon seal leaking

97 TJ Sport yes it's a D35. The drive shaft seal is slowly leaking. I know it takes a crush sleeve But don't really know how to replace it the right way
Is this a DIY or........ Spend the money. I want to get it right because I recently had 4.56 gears installed and would hate to burn it up. No money now for an d44 upgrade Thanks.....

TexasLaw is offline   Quote Quick Reply
Old 04-01-2011, 02:10 AM   #2
Genius!

WF Supporting Member
::WF Moderator::
 
Coyote_94YJ's Avatar
 
Join Date: Feb 2008
Location: Germany
Posts: 20,888
Send a message via ICQ to Coyote_94YJ Send a message via Yahoo to Coyote_94YJ
Is it just a bit of dampness around the pinion housing or is it dripping? If it's just a little bit of dampness I wouldn't bother. Just check the fluid level in the diff at each oil change. If it's dripping I would get that seal replaced. How recent are we talking with the regear? The shop who installed it might warranty the work and replace the seal for free.

Coyote_94YJ is offline   Quote Quick Reply
Old 04-01-2011, 10:42 AM   #3
Jeeper
 
adkjoe's Avatar
 
Join Date: Aug 2009
Location: Northern Vermont
Posts: 1,615
Both my front and rear have been SLOWLY leaking for about a year now I'll get to it someday. As far as the crush sleeve goes you don't have to replace the crush sleeve unless you over torque it. Just pull the shaft, take off the yolk nut, pull out the seal and clean the area. Tap a new seal in carefully (if putting back on the same yolk nut use some loctite) Torque spec varies, when I did the D35 in the Cherokee I think I torqued it to 180 ft/lbs or so. You can get a new seal and yolk nut from Quadratec for like $10 - 15 bucks.

Either do that or don't worry about it until you start leaving puddles.
__________________
Vermont
Anyone who can legally own a firearm can carry it concealed in Vermont with no permit/license
of any kind
adkjoe is offline   Quote Quick Reply
Old 04-01-2011, 11:21 AM   #4
Jeeper
 
h2obill's Avatar
 
Join Date: Dec 2010
Location: Lisle
Posts: 139
My front pinion seal just started leaking (runs down the underside of the housing and drips from the diff cover) I'm gonna try to fix it myself this weekend and I think this video is pretty good.

h2obill is offline   Quote Quick Reply
Old 04-01-2011, 11:35 AM   #5
Jeeper
 
Join Date: Aug 2010
Posts: 466
this is how its done , you take a torque wrench and you see how many lbs it takes to break the nut loose , thats the torque you use to put it back on with
hookuspookus is offline   Quote Quick Reply
Old 04-01-2011, 11:58 AM   #6
Jeeper
 
adkjoe's Avatar
 
Join Date: Aug 2009
Location: Northern Vermont
Posts: 1,615
Quote:
Originally Posted by hookuspookus View Post
this is how its done , you take a torque wrench and you see how many lbs it takes to break the nut loose , thats the torque you use to put it back on with
That's correct except you need to take the wheels off in order to measure the rolling torque correctly. I've done a couple pinion seals just by torquing them down to 180 lbs or so I've probably just been lucky but I haven't had any problems. But the correct way is to measure the rolling torque.
__________________
Vermont
Anyone who can legally own a firearm can carry it concealed in Vermont with no permit/license
of any kind
adkjoe is offline   Quote Quick Reply
Old 04-01-2011, 12:29 PM   #7
Jeeper
 
Join Date: Aug 2010
Posts: 466
Quote:
Originally Posted by adkjoe View Post
That's correct except you need to take the wheels off in order to measure the rolling torque correctly. I've done a couple pinion seals just by torquing them down to 180 lbs or so I've probably just been lucky but I haven't had any problems. But the correct way is to measure the rolling torque.
totally agree
hookuspookus is offline   Quote Quick Reply
Old 04-04-2011, 12:51 AM   #8
Jeeper
 
Join Date: Mar 2011
Posts: 32
Well. It is not leaving a spot on the driveway. But I can see where it is getting spun on the drive shaft. The underside of the jeep has a good amount of oil/fluid on it. Last check on the D35 the level was ok. Just wanted to get the thing fixed. I know that a 97 TJ is going to leave it's marks But thanks for the info. I'll keep a eye on it.
TexasLaw is offline   Quote Quick Reply
Old 04-06-2011, 02:28 PM   #9
Jeeper
 
h2obill's Avatar
 
Join Date: Dec 2010
Location: Lisle
Posts: 139
so i didn't replace mine yet (only a few drops) but my local dealership wanted $25 for the front seal
h2obill is offline   Quote Quick Reply
Old 04-07-2011, 09:05 AM   #10
Jeeper
 
jwm1986's Avatar
 
Join Date: Dec 2008
Location: Evansville, IN
Posts: 1,024
Oriellys and some other stores have their own brand that is pretty much the same thing. That is all I have ever used. They charge like 8 bucks for theirs, vs 40+ for whatever the other brand was.
__________________
2000 Jeep Wrangler Sport
4.0L / 5spd
jwm1986 is offline   Quote Quick Reply
Old 05-15-2011, 11:23 AM   #11
Jeeper
 
TnDz TJ's Avatar
 
Join Date: Apr 2011
Location: Reno, NV
Posts: 2,925
Images: 220
I just picked up my front pinion seal for $6.53 at Orielly's. Rolling torque is measure with the wheels AND brake rotors and cailpers OFF the axle, according to the repair manual.

Once you have the initial PRE-disassembly rolling torque value.... the manual says to torque the NEW pinion nut to 160 ft lbs and check the rolling torque at this point. You want it +5 ft lbs of your first measurement. If you are not there... tighten the yoke nut in 5 ft lb increments until proper rolling torque is attained.

I'll be tackling this job in a few.....
__________________
~Todd~ 2004 X 4.0 5 speed---SOLD
4" Lift, 4.56's, 33" Duratracs on M/T Classics
RR SYE, Tatton CV, MML, BL, TT, Dynomax Exhaust
Hella Lighting: Driving, Fogs and H4 E-Codes
NOPE! ... and NEVER will be...
TnDz TJ is offline   Quote Quick Reply
Old 05-15-2011, 03:17 PM   #12
Knows a couple things...

WF Supporting Member
 
Jerry Bransford's Avatar
 
Join Date: Nov 2005
Location: Escondido, Calif.
Posts: 32,314
Images: 2
I've been going with the advice Tom Wood of driveshaft/drivetrain fame gave me 12-14 years ago and it's never failed me... with the transmission in Park or in gear with the tires chocked so they can't roll, simply retorque the pinion nut to 180 ft-lbs. after having had it off. Whether it was to replace the yoke or to replace the seal. That has worked well for me for Dana 35c, Dana 44, and Dana 30 axles.
__________________
When you have a choice, buy American.

Jerry Bransford is online now   Quote Quick Reply
Old 05-15-2011, 03:57 PM   #13
Jeeper
 
TnDz TJ's Avatar
 
Join Date: Apr 2011
Location: Reno, NV
Posts: 2,925
Images: 220
Jerry,

So with this method you have NEVER had any issues? Im' just concerned with longevity of the parts and NO LEAKS!!!!

thanks!
__________________
~Todd~ 2004 X 4.0 5 speed---SOLD
4" Lift, 4.56's, 33" Duratracs on M/T Classics
RR SYE, Tatton CV, MML, BL, TT, Dynomax Exhaust
Hella Lighting: Driving, Fogs and H4 E-Codes
NOPE! ... and NEVER will be...
TnDz TJ is offline   Quote Quick Reply
Old 05-15-2011, 04:04 PM   #14
Knows a couple things...

WF Supporting Member
 
Jerry Bransford's Avatar
 
Join Date: Nov 2005
Location: Escondido, Calif.
Posts: 32,314
Images: 2
I wouldn't have said it worked for me if it ever gave any problems over two TJs, three axles, and probably 150K miles since the first yoke with subsequent pinion seals over the years were replaced that way. I even did it that way on the trail two years ago when I broke the rear yoke and had to replace it while laying in the rocks. That was without even a torque wrench where I just used a long breaker bar to apply what felt like 180 ft-lbs. of torque where I nearly lifted my body up off the ground while tightening it.
__________________
When you have a choice, buy American.

Jerry Bransford is online now   Quote Quick Reply
Old 05-15-2011, 04:08 PM   #15
Jeeper
 
TnDz TJ's Avatar
 
Join Date: Apr 2011
Location: Reno, NV
Posts: 2,925
Images: 220
Thanks, Jerry. I appreciate it!
__________________
~Todd~ 2004 X 4.0 5 speed---SOLD
4" Lift, 4.56's, 33" Duratracs on M/T Classics
RR SYE, Tatton CV, MML, BL, TT, Dynomax Exhaust
Hella Lighting: Driving, Fogs and H4 E-Codes
NOPE! ... and NEVER will be...
TnDz TJ is offline   Quote Quick Reply
Old 05-15-2011, 05:22 PM   #16
Newb
 
Join Date: Feb 2011
Location: Mesa Arizona
Posts: 14
For those of you that say to un- torque the pinion nut and record the torque and then re-torque it to the same torque.
I’m not going to get into a pi55ing match, but I want you to understand that a nut or bolt (that is not rusted to heck) will de-torque at a lot less torque than the tightening torque it was originally torqued to.
I have personally tested this theory on airplane engines in a test for the company I worked for.
I think that marking the nut in relationship to the pinion is the best way to go.
Mike

Blueboat is offline   Quote Quick Reply
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Jeep Wrangler Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.



Thread Tools

Posting Rules
You may post new threads
You may 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 Pinion Seal and Rear Engine Seal fjd24 TJ Tech Forum 3 12-14-2010 04:09 PM
rear main seal? mikeyford3 YJ Tech Forum 7 08-04-2010 01:38 PM
Rear wont stop leaking strohm TJ Tech Forum 3 07-31-2010 06:37 PM
Rear Pinion Seal Leak? agn015 TJ Tech Forum 4 06-06-2010 07:26 PM
Rear Main Seal Leaking?? joelpresmyk TJ Tech Forum 7 11-24-2009 09:55 PM



Download our Mobile App

» Featured Product

All times are GMT -5. The time now is 05:36 PM.



Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC.
Wranglerforum.com is not in any way associated with the Chrysler Motors LLC