Rubicon D44 Rear Axle Into TJ Sport - JeepForum.com

 
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post #1 of 13 Old 02-11-2010, 03:05 PM Thread Starter
shay4au
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Rubicon D44 Rear Axle Into TJ Sport

I will soon be swapping out my D35 rear axle in my '01 Sport with a Rubicon D44 that I'm buying from a friend. Besides having to get a 1310/1330 U-Joint and possibly having to shorten the driveshaft, does anyone know of any other issues that could arise? In particular, will I have any transfer case issues? It's my understanding that the Rubicons have different transfer cases so I was just curious. I've read where this thing should bolt right in with the possible DS problem, but nothing else other than possibly a new e-brake cable. Just trying to make sure I'm aware of all potential "surprises" before getting started! What about the difference in brakes from these models? Will this require new axle shafts or should it be good to go as-is? Any input will be appreciated!!!! Lift: 2.5" OME with 3/4" spacers and JKS 1.25" BL. Just throwing that out there. Thanks!

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post #2 of 13 Old 02-11-2010, 03:28 PM
Fett
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It won't work...just give me the D44 since it's junk to you now.


Just kidding. Bump to top because I'm interested in knowing these answers too. Your D35 has drum and the D44 should be disk. I wonder if you'll need different brake lines? The shafts should be just fine though.

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post #3 of 13 Old 02-11-2010, 03:30 PM
jaminb
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i belive the rubicons transfer case has a fixed yoke out put, if you dont have a SYE on your jeep now then you will have issue with the drive shaft.
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post #4 of 13 Old 02-11-2010, 04:02 PM
MO2500
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Are you going to re-gear your front D30 to 4.10? Because 4 wheel drive isnt going to work unless your axles are geared the same

Other than the issue with the driveshaft and e-brake cables it is my understanding that the axle will bolt right up. You just have to take care of gearing your front axle to match


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post #5 of 13 Old 02-11-2010, 05:03 PM
loaderopp
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Quote:
Originally Posted by shay4au View Post
I will soon be swapping out my D35 rear axle in my '01 Sport with a Rubicon D44 that I'm buying from a friend. Besides having to get a 1310/1330 U-Joint and possibly having to shorten the driveshaft, does anyone know of any other issues that could arise? In particular, will I have any transfer case issues? It's my understanding that the Rubicons have different transfer cases so I was just curious. I've read where this thing should bolt right in with the possible DS problem, but nothing else other than possibly a new e-brake cable. Just trying to make sure I'm aware of all potential "surprises" before getting started! What about the difference in brakes from these models? Will this require new axle shafts or should it be good to go as-is? Any input will be appreciated!!!! Lift: 2.5" OME with 3/4" spacers and JKS 1.25" BL. Just throwing that out there. Thanks!
Slip yoke or a drive shaft mod. a regear if you do not have 4.10 gears in the front.

Air compressor for the locker if the locker is in the d44. and maybe a track bar swaybar relocate.

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post #6 of 13 Old 02-11-2010, 05:12 PM
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It sounds like you have it figured out already. Like you said you will need parking brake cables if they don't come with the axle. The regular brake lines are the same. You might have to shorten your drive shaft, and you will need the U joint you mentioned. I would get the axle under then see if it needs to be shortend. It is a direct bolt in. The only thing you might look at is the sway bar nuts. They rust out easy. I had to fix them on my swap. Get the air pump for the locker if you can also.

http://www.jeepforum.com/forum/f9/ho...e-swap-901419/
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post #7 of 13 Old 02-11-2010, 06:45 PM
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Quote:
Originally Posted by MO2500 View Post
Are you going to re-gear your front D30 to 4.10? Because 4 wheel drive isnt going to work unless your axles are geared the same

Other than the issue with the driveshaft and e-brake cables it is my understanding that the axle will bolt right up. You just have to take care of gearing your front axle to match
That's depends on what gears are in the D44, he didn't say it was stock?...
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post #8 of 13 Old 02-11-2010, 08:57 PM Thread Starter
shay4au
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Thanks everyone!! I will be re-gearing the front D30 to match this D44 that I'm putting in, so gears won't be an issue. I don't have a SYE and had hoped I could avoid having to get one. Sure hope thing thing goes right in with minimum issues other than the DS!! I appreciate all of the input!!
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post #9 of 13 Old 02-11-2010, 09:30 PM
jdhallissey
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You can use your drum ebrake cables still too. Your driveshaft will be a little tight. I did the same swap. You will be fine for a while but save up for a SYE and driveshaft.
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post #10 of 13 Old 02-11-2010, 10:59 PM
loaderopp
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Quote:
Originally Posted by shay4au View Post
Thanks everyone!! I will be re-gearing the front D30 to match this D44 that I'm putting in, so gears won't be an issue. I don't have a SYE and had hoped I could avoid having to get one. Sure hope thing thing goes right in with minimum issues other than the DS!! I appreciate all of the input!!
Well i wish you the very best for your upgraded axle. good luck!

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post #11 of 13 Old 02-11-2010, 11:19 PM
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Sure if you want to make up some way to clamp them on. It is not a direct swap from drum to disc brakes. Personally I wouldn't trust the clamp method I have seen people do. I live on a hill and need my parking brake.


Quote:
Originally Posted by jdhallissey View Post
You can use your drum ebrake cables still too. Your driveshaft will be a little tight. I did the same swap. You will be fine for a while but save up for a SYE and driveshaft.
Maybe you could share with him how they will work since he will be asking that now.
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post #12 of 13 Old 02-12-2010, 07:45 AM
MO2500
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Originally Posted by Knuckelhead View Post
That's depends on what gears are in the D44, he didn't say it was stock?...
Unless some knucklehead re-geared their rubi to 3.07 then a re-gear in the front is still needed in this situation....


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post #13 of 13 Old 02-12-2010, 11:18 AM
1SlowPoke
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If you go with the CV DS you will also need adjustable upper control arms...
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