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Drive line service on 05 tj wrangler

Tech Talk for Jeep owners.

Moderator: GUtripper

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Posts: 6
Joined: Tue Jul 31, 2012 8:13 pm

Drive line service on 05 tj wrangler

Post by shanno92 »

hey all

servicing diffs gearbox, transfer case etc on my girl friends jeep this weekend, just want to know what viscosity oils to use in gearbox transfer case and diffs? any help will be great, thanks. would like to use more mainstream oils like castrol as i dont wana travel 2 hrs to get mopar oils.

cheers richo
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Joined: Sun Oct 04, 2009 9:54 am
Location: mt isa

Re: Drive line service on 05 tj wrangler

Post by sht50 »

i just use valvoline ls90 for the diffs, valvoline maxlife for transfer which is just an auto oil but if its the 6 speed manual transmission only use genuine jeep oil
The Haggler!
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Re: Drive line service on 05 tj wrangler

Post by ToNkA »

Ditto, 6 speed, use genuine Jeep oil.
MY JEEP BUILD
v840 wrote: [Not a shot at Tonka] It's like saying, hell I've got two nuts, I may as well cut one of them off for the hell of it. I ain't using it.[/NAS@T] It's ridiculous!
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Joined: Tue Jul 31, 2012 8:13 pm

Re: Drive line service on 05 tj wrangler

Post by shanno92 »

cheers guys, hey would any of you know off hand what the tension is for the pinion nut on the rear diff? as i gotta replace rear pinion seal and dont have a workshop manual
Posts: 46
Joined: Sun Oct 04, 2009 9:54 am
Location: mt isa

Re: Drive line service on 05 tj wrangler

Post by sht50 »

Here are some torque values that you will need.
Assembly Specifications:
* Cover Bolt Ft. Lbs. 30-40
* Pinion Brg. Preload In. Lbs 20-40
* Pinion Nut Ft. Lbs. 200-220
* Ring Gear Backlash .005-.008
* Ring Gear Bolt to case Ft. Lbs. 45-60
* Side Brg. Caps Ft. Lbs. 70-90
Start tightening the pinion nut towards 200 Ft. Lbs. and check the rotation torque, If the preload starts tightening up too early or too late, compared to the nut torque, adjust the shims. Use an old pinion nut that's still in good shape to check the preload!Once that is set install a new nut and loctite it! Always a good idea to check gear/vendor manufacturers settings,they will vary, just to make sure there's no discrepancies.
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