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Old 08-27-2009, 04:26 PM   #1
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Can you take a peek at my under carriage?

Ok what do i have for a rearend, axels, t-case etc... are they good??? can they handle 33's and weekend offroading? i know it is geared 4:10

Thanks

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Old 08-27-2009, 04:27 PM   #2
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if you need any other info let me know. There seemed to be a "5" stamped on the corner of the front diff. i couldn't see any other markings or numbers on the diffs. and is a 231 J t-case desirable?

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Old 08-27-2009, 04:29 PM   #3
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You have a 231 T-case, D30 front, D35 rear (with a blown pinion seal). They will withstand 33" tires.
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Old 08-27-2009, 04:30 PM   #4
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D30 front axle
D35 rear axle
231j transfer case (standard on all wranglers///with exception of the 241j in the rubicon model)
AX-15 transmission
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Old 08-27-2009, 04:31 PM   #5
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How do you know you have 4.10 gearing?
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Old 08-27-2009, 04:32 PM   #6
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whats it take to replace that seal? any recomendations for me if im going to do a 3" susp. lift with 33's
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Old 08-27-2009, 04:33 PM   #7
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^^ i bought it from a friend (older man, is a mechanic) he made it 4.10 for 33's

does that sound right
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Old 08-27-2009, 04:37 PM   #8
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A little time , tools and a $13 seal.

Have to remove the rear driveshaft....remove pinion nut ....remove pinion yoke.....Pull seal out....replace seal.....place crush sleeve back in position.....place pinion yoke back... PUT THREAD LOCKER ON PINION NUT....torque down to 160 ft lbs. ....place rear dshaft back ....done.
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Old 08-27-2009, 04:38 PM   #9
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Quote:
Originally Posted by mudslinger150 View Post
whats it take to replace that seal? any recomendations for me if im going to do a 3" susp. lift with 33's
In a nut shell. Remove the pinion nut, R&R the seal and re-torque to 150-160 ft/lbs. A new pinion nut is recommended.
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^^ i bought it from a friend (older man, is a mechanic) he made it 4.10 for 33's

does that sound right
No, 4.56's are the correct gears for 33" tires.
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Old 08-27-2009, 04:39 PM   #10
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Quote:
Originally Posted by mudslinger150 View Post
^^ i bought it from a friend (older man, is a mechanic) he made it 4.10 for 33's

does that sound right
Could have replaced the gears or swapped the axles from a 4cyl wrangler.


4.10 would be ok with 33's and your ax15. 4.56 would be a little better. Ideal.
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Old 08-27-2009, 04:45 PM   #11
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do 6 cyl's come with a hight gear ratio normaly? what would make you think that he swapped with a 4 cyl.
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Old 08-27-2009, 04:48 PM   #12
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do 6 cyl's come with a hight gear ratio normaly? what would make you think that he swapped with a 4 cyl.
Stock should be 3.07's or 3.73's.

4cyl models came with 4.10's and are a bolt in for other TJ's.

I don't see the tag on the rear diff cover so...You'll have to check the ratio.
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Old 08-28-2009, 01:00 PM   #13
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so if i replace the front and rear diff oil and Tranny oil what does pennzoil make? and how much do i need for which? Ide like to pick it up on my way home... Idk what weight i would need for VT cold winters etc... for the diff's, and what type of tranny oil do i need, something with syncro mesh?
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Old 08-28-2009, 01:09 PM   #14
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A word of caution on the pinion seal, while an easy repair, if done incorrectly, your differential can be trashed.

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