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Unread 08-21-2013, 01:58 PM   #1
djlarroc
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1997 XJ Cherokee 
 
Join Date: Jun 2009
Location: Denver
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Replacing the dying D44a

Hey guys, I just picked up a 5.9. The rear diff is making that grinding noise, so the bearings are bad.

I found a WK2 rear axle, 3:73 (2012) for $80. Aside from the different bolt pattern, will this fit my zj?

Thanks for any help. Can't find anything on this swap.

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Unread 08-21-2013, 02:21 PM   #2
kg6mov
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1996 ZJ 
 
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Location: Cupertino, CA
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I thought the wk2 had a independent rear axle. I would doubt it would be an easy swap.

Why not another d44a or a for 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!"

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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 08-21-2013, 02:53 PM   #3
djlarroc
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Quote:
Originally Posted by kg6mov View Post
I thought the wk2 had a independent rear axle. I would doubt it would be an easy swap.

Why not another d44a or a for 8.8?
If that's the case, then the seller is mistaken. He said it was from a 2012 GC. The CL listing shows a solid rear axle. I'm interested because it's only $80 and it only has 3500 miles on it.

I'm hesitant to put another ZJ D44a in it, because it could be bad as well. The 8.8 option would run me about $400-500 if I install.

Thanks
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Unread 08-21-2013, 06:56 PM   #4
Technohead
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The WK2 is definitely independent rear suspension. It could very well be the case that it uses the D44a center section. I don't know. Either way you ain't bolting it into a ZJ.

When dealing with 15+ year old vehicles your options are limited. If the rig is a long term project then spend the $ on a proper rebuild or swap in a another axle (which in the case of a Ford 8.8 is probably soon to require a rebuild itself.) Otherwise, roll the dice on a junk replacement.
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Unread 08-21-2013, 07:07 PM   #5
kg6mov
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Honestly I would just rebuild the 9er d44a. It's not a bad 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 08-21-2013, 10:47 PM   #6
djlarroc
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1997 XJ Cherokee 
 
Join Date: Jun 2009
Location: Denver
Posts: 410
Thanks for the replies guys. I've confirmed the wk axle won't work. I'll have to shop around for some prices on those bearings, or try to find a low mileage d44a. Every d44a w over 120k, that I've been in grinds tho..
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Unread 08-22-2013, 12:03 PM   #7
PolkaPower
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The part number for the carrier bearings is BK D44HD https://www.google.com/search?q=bk+d...ient=firefox-a
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