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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > ZJ Grand Cherokee Forum > My rear end blew out

Engo LED Flush Mount Lights *PAIR* Flood or Spot 1,600 LumYukon Ultimate 35 axle kit for c/clip axles with Yukon ZipRockridge 4WD IS Taking Zone Offroad Suspension Lift Kits

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Unread 01-25-2013, 01:58 PM   #1
Apollo24
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1998 ZJ 
 
Join Date: May 2009
Location: Brooklyn
Posts: 29
My rear end blew out

1J4GZ48S0WC****** IS MY VIN#

Anyone know which rear I need? How much do they cost at a junk yard, about?
It's my daily driver so I need to get it back on the road asap and on a budget


thanks

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Unread 01-25-2013, 02:06 PM   #2
OverlandZJ
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1998 ZJ 
 
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Fill out your vehicle specs.

V8 or 4.0L? Cant find a tag on one of the rear diff bolts? That'll give you all the info you need.
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Unread 01-25-2013, 02:16 PM   #3
Apollo24
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sorry. Thought vin was the key. It's a 98 zj 4.0l i6. It's not the all time 4x4. Don't know if that's call quadra trac or not. Any help is appreciated. I want to order it or pick up from junk yard and have local shop install it.
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Unread 01-25-2013, 02:41 PM   #4
kg6mov
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4.0 had the d35, any d35 from 96 - 98 should be a bolt in, but you might take this opportunity to swap in something stronger like a bolt in d44a from a V8 96+ zj, or go whole hog for a d60 or trussed 8.8.
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1998 ZJ Platinum Limited 5.9, New engine and trans, no front driveshaft, but it's pretty

"Whats wrong with a PT Cruiser?"
"Coulda had a V8!"

96 build thread

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Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.

Last edited by kg6mov; 01-25-2013 at 03:13 PM.. Reason: fat fingered a date
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Unread 01-25-2013, 03:02 PM   #5
OverlandZJ
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Wouldnt all D44a's be 3:73 ratio? He most likely has 3:55's.

Apollo, you'll need to check that tag on differential bolts, on the one corner you should see 3:55 or 3:73. You need to match the ratio to the front axle.. or replace that as well. If you get an early D35 you'll want to save your rear disc parts to swap over from the drums.
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Unread 01-25-2013, 03:07 PM   #6
kg6mov
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Yes, sorry a D44a will require a regear for the front. A d35 behind a pre 96 V8 will also have the 3.73 gears but gears aren't that bad to swap between axles.

For my money I would find a post 96 V8 with factory tow and steal the limited slip d44a and the gears out of the d30 and put those in, but I seem to be alone in thinking that the limited slip d44a is a good axle.
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1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 31's, Holes drilled in the roof.
1998 ZJ Platinum Limited 5.9, New engine and trans, no front driveshaft, but it's pretty

"Whats wrong with a PT Cruiser?"
"Coulda had a V8!"

96 build thread

Niner build thread

Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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Unread 01-25-2013, 03:09 PM   #7
ZJMatt
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Quote:
Originally Posted by OverlandZJ View Post
Wouldnt all D44a's be 3:73 ratio? He most likely has 3:55's.

Apollo, you'll need to check that tag on differential bolts, on the one corner you should see 3:55 or 3:73. You need to match the ratio to the front axle.. or replace that as well. If you get an early D35 you'll want to save your rear disc parts to swap over from the drums.
I know they don't get nearly as much salt on the streets in Brooklyn as they do here, but up here you won't find a diff tag that's still readable.

Check what gear ratio you have by grabbing a buddy. Jack the rear end off the ground. Make a mark at the top of the tire and the bottom of your driveshaft. Have your buddy turn the tire two full rotations, while you're underneath watching the driveshaft. If it turns about 3 times, you have 3.55 gears. If it turns about 3-3/4 times, you have 3.73 gears.

That's assuming you have an open differential which you most likely do.

To see if you have the D35 or D44a, look at the diff cover.
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Unread 01-25-2013, 03:12 PM   #8
kg6mov
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You can also get all the information you'll ever need (and more) about what was originally on your jeep by getting a build sheet from jeep:

http://www.jeep.com/wccsapp/universa...ull&category=U

Just double check somebody hasn't already swapped axles or gears. If it blew out it's probably a turdy-five though.
__________________
1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 31's, Holes drilled in the roof.
1998 ZJ Platinum Limited 5.9, New engine and trans, no front driveshaft, but it's pretty

"Whats wrong with a PT Cruiser?"
"Coulda had a V8!"

96 build thread

Niner build thread

Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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Unread 01-25-2013, 03:28 PM   #9
Donnyd21
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You have 3.55 gears
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Unread 01-25-2013, 03:33 PM   #10
kg6mov
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Unless he has the tow package, get your build sheet.

Quote:
Originally Posted by LordHobbit View Post
All tow package ZJs had 3.73 gear ratios regardless of engine. Including my '93. All v8 ZJs had 3.73 gear ratios.
__________________
1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 31's, Holes drilled in the roof.
1998 ZJ Platinum Limited 5.9, New engine and trans, no front driveshaft, but it's pretty

"Whats wrong with a PT Cruiser?"
"Coulda had a V8!"

96 build thread

Niner build thread

Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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Unread 01-25-2013, 03:46 PM   #11
Apollo24
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1998 ZJ 
 
Join Date: May 2009
Location: Brooklyn
Posts: 29
no tow package. I guess I need to play it safe and get under the jeep. It's snowing out now. Get it done tomorrow morning. Thanks for all the responses. I will post my tag # tomorrow
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Unread 01-25-2013, 04:00 PM   #12
ratmonkey
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no one here can check anything by vin number, and posting it online is generally regarded as a bad idea, like posting your license plate or phone number.

get the build sheet from jeep by the link posted. you'll find everything you need to know there.
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Unread 01-25-2013, 04:06 PM   #13
kg6mov
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Out of curiosity why is posting the vin a bad idea? You can walk up to a car and see it, why would it be something to keep private? Same with license plate.
__________________
1996 ZJ Green Laredo V8, 2.5" OME and Bilsteins, 31's, Holes drilled in the roof.
1998 ZJ Platinum Limited 5.9, New engine and trans, no front driveshaft, but it's pretty

"Whats wrong with a PT Cruiser?"
"Coulda had a V8!"

96 build thread

Niner build thread

Quote:
Originally Posted by Texas ZJ1 View Post
I heard someone yell "mall crawler" from the back porch. I'll go see who said that. Be right back.
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Unread 01-25-2013, 04:12 PM   #14
xmonger
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2003 WJ 
 
Join Date: Jan 2004
Location: Holmdel, NJ
Posts: 282
definitely a d35c, almost certainly 3:55 if you do not have the tow package

I am looking for one as well in the NYC area. Most JYs have them listed around $400, which is a RIPOFF for the turdy five.

I am looking to pay around $150, and only if the bearings and axles aren't shot.
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Unread 01-25-2013, 04:22 PM   #15
ZJMatt
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Join Date: Jul 2012
Location: Weare, NH, New Hampshire
Posts: 493
My jeep had 3.55s with the tow package factory.
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The "Mall Crawler" - 1998 ZJ Grand Cherokee 5.2 V8, 5.5" LongArms, 32s, 12000lb winch & more.
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