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6 SP TJ gearbox

Moderator: GUtripper



Posts: 6

Joined: Tue Jul 31, 2012 8:13 pm

Post Mon Sep 16, 2013 6:03 pm

6 SP TJ gearbox

G'day all

Im currently in the middle of dismantling the gearbox out of my girlfriends TJ wrangler (stuffed synchro's)
Just wondering if anyone has any info on the gearbox internals e.g. preloads and tensions etc? or anything I need to look out for?

Cheers Richo.


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Posts: 2018

Joined: Fri Aug 26, 2005 4:28 pm

Location: Melbourne

Post Mon Sep 16, 2013 9:29 pm

Re: 6 SP TJ gearbox

Try looking or asking on
Or on

When you're done, ONLY use Mopar oil from a Jeep dealer.
Don't use anything else, or you WILL be rebuilding it again.
There's lots of oil that supposedly suit the jeep 6 speed. It's a very finicky gearbox.
Many have tried them, and failed.
Mopar only.
My friends aren't holding me back..... I'm pulling 'em forward.


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The Haggler!

Posts: 6699

Joined: Sun Oct 20, 2002 8:48 pm

Post Thu Sep 19, 2013 10:45 am

Re: 6 SP TJ gearbox

What ^^ he said....

Mopar oil only.
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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