Rear end replacement?

Tiny
LAURA WHITE
  • MEMBER
  • 2007 JEEP GRAND CHEROKEE
  • 4.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 155,000 MILES
Can an electronic limited slip rear end be replaced with a non electronic limited slip rear end without messing up the computer?
Sunday, January 17th, 2021 AT 7:23 PM

14 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Nope, you must have the same type or there will be a non stop trouble code in the car. Here are instructions in the diagrams below on how to change out the rear differential. Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.
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Monday, January 18th, 2021 AT 7:37 PM
Tiny
KASEKENNY
  • MECHANIC
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It will not mess the computer up but you will have a check engine light on. You will not have the solenoid to plug in so you will have an open circuit.

Is there a reason that you don't want to replace this with the same rear that comes in it?

I attached the info below on how this works and that may better explain what could happen.

Let us know and we can go from there. Thanks
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Monday, January 18th, 2021 AT 7:38 PM
Tiny
LAURA WHITE
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  • 2 POSTS
The rear ends that I have found are a lot more expensive with the E LSD. That was the only reason I was asking.
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Tuesday, January 19th, 2021 AT 5:52 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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Yep, that's what I thought. Use 2CarPros anytime, we are here to help. Please tell a friend.
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Wednesday, January 20th, 2021 AT 1:07 PM
Tiny
IVAILO
  • MEMBER
  • 2 POSTS
  • 2002 JEEP GRAND CHEROKEE
  • 4.7L
  • V8
  • 4WD
  • AUTOMATIC
Hello I have to change the gaskets from the gimbal rear differential. But I can not find information about the power that we have to tighten in the assembly.
Thanks in advance
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Which torques do you need, for the housing cover, pinion bearings, input shaft?
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
IVAILO
  • MEMBER
  • 2 POSTS
Pinion bearings
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
According to my manual, the pinion nut is 220 ft lbs
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
MARKAN56
  • MEMBER
  • 2 POSTS
  • 1998 JEEP GRAND CHEROKEE
  • 5.9L
  • V8
  • 4WD
  • AUTOMATIC
  • 250,000 MILES
It is four wheel drive only. If I remove all the gears in the front differential and disconnect the drive shaft will I be able to drive it until I can get a new front differential?
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
KASEKENNY
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Hi Markan56,

If you need to disconnect the front differential then you just need to remove the front drive shaft. As long as the front differential can spin it does not need to be disassembled. However, if it is making noise or has come apart catastrophically, then yes, removing the ring and pinion gear sets will be required. Also, keep in mind if the carrier and bearings are going to be removed, you may need to remove the axle shafts as well because they are supported on the inside of the differential by those bearings. Also, if you remove the pinion gear then the oil is going to leak out so if you are going to run it with no drive shaft and the front differential is no functional, I would try to leave everything except for just the ring gear. Remove this from the carrier and then reinstall the carrier and it should spin and not touch the pinion and the axles will be supported, and the pinion and seal will keep oil in and water/dirt out.

Let me know if you have any other questions. Thanks
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
MARKAN56
  • MEMBER
  • 2 POSTS
Yea, I opened it the differential up and the gears wear missing chunks. So thank you for the help.
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
You are welcome. Yeah, I would remove the carrier, take the ring off and clean the metal out of the housing. Then just put the carrier with no ring back in and add about a quart of fluid just to be safe and keep some oil in there to fit off rust. Then you should be able to just remove the front prop shaft and drive it until the parts arrive.

Let us know if you need anything else. Thanks for using 2CarPros.
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+1
Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
MARCUS
  • MEMBER
  • 1 POST
  • 1995 JEEP GRAND CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 175,000 MILES
Rear end removal
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
If you are refering to the rear axle and differential, jack the car up and secure it by the frame. Next, you will need to remove the drive shaft, all brake lines, any wiring. From the axle. Finally, remove the U-bolts that hold the axle to the leaf springs. NOTE: Suppot the axle assembly when removing the U-bolts. It will drop when the bolts are removed.

Let me know if you have other questions.

Joe
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Wednesday, January 20th, 2021 AT 1:07 PM (Merged)

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