Lift question - JeepForum.com
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post #1 of 23 Old 06-21-2021, 08:56 AM Thread Starter
Docfitch
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Lift question

I need clarification. I just got an 04 wj with 4.7 ho and quadra drive. I want to put a small lift on it - 2.5 inches or so. I have read that you canít lift an awd vehicle. Is this true. If so, there appear to be quite a few people doing it. I figured if I stayed under 4 inches, i wouldnít have make a lot of changes.

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post #2 of 23 Old 06-21-2021, 09:12 AM
smokeyyank
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They say that because of the repezza drive shaft. You have an 04 so shouldn't be an issue putting a little lift. Under 3" not a lot of changes going to 3-4" you'll have a good amount to get it right.
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post #3 of 23 Old 06-21-2021, 09:12 AM
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You can lift it. Check your front drive shaft; if it has a double cardan joint on the TC side and u-joint on the axle side, you should not have much of a problem. On the other hand, if you have a DS with a Rzeppa joint, lifting is not recommended because the joint will probably fail. Either replace DS or do not lift.


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post #4 of 23 Old 06-21-2021, 09:19 AM
underscore
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Or rebuild the Rzeppa joints if they fail. I swapped to a DC, but the more I dug into it after the fact the more I saw cases of people not needing to do it. If I was doing it all again I'd just rebuild my stock ds.

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post #5 of 23 Old 06-21-2021, 09:33 AM Thread Starter
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Got it. So itís the drive shaft angle that is the concern.
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post #6 of 23 Old 06-21-2021, 10:00 AM
leadsled jeep
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IF one has that rezzepa DS only, yes. Of course this is a Jeep so aftermarket upgrade support is awesome. Lots of us run 2.5”+ suspension lifts. Perhaps more here a Have a lift than do not!

'02 4.7HO 235k ml. 2.5" BDS. Aftermarket arms & Addco sways. 245-70-17. Stock engine/tranny. Amsoil
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post #7 of 23 Old 06-21-2021, 05:33 PM
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Being an 04 with the 4.7 and Quadradrive, I'm thinking he has the double cardan front driveshaft and won't need to change it.

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post #8 of 23 Old 06-21-2021, 05:57 PM Thread Starter
Docfitch
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It looks like u joint on the transfer case end.
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post #9 of 23 Old 06-22-2021, 04:34 AM
CJREX
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Quote:
Originally Posted by Docfitch View Post
It looks like u joint on the transfer case end.

A double cardan is a double U-joint. If you have one like the picture below on the T-case and a regular U-joint on the axle end you are good to go.



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post #10 of 23 Old 06-22-2021, 08:26 AM Thread Starter
Docfitch
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Nope. It looks like a regular u joint on tc.
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post #11 of 23 Old 06-22-2021, 09:32 AM
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Quote:
Originally Posted by Docfitch View Post
Nope. It looks like a regular u joint on tc.

On the front or rear DS? With a 4.7 HO, I would have thought you have a double cardan on your front DS, but I have been wrong before.


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post #12 of 23 Old 06-22-2021, 11:59 AM Thread Starter
Docfitch
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The front. I was hoping it was a double cardan, but it doesnít look like it.
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post #13 of 23 Old 06-22-2021, 12:47 PM
underscore
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So it has one ujoint at each end?

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[x] 07 WK CRD/OME/MALONE 1.5 [x] 00 XJ/OME [x] 97 TJ [x] 92 YJ
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post #14 of 23 Old 06-22-2021, 01:40 PM Thread Starter
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Yep. But, if I stay under a 3 inch, I should be o.k.
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post #15 of 23 Old 06-22-2021, 02:04 PM
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You have a 04 you'll be fine. It was the earlier years that have the problem driveshaft.

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