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Unread 02-13-2011, 02:34 PM   #1
DoctorTim
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loose transfer case bolt cant tighten/or loosen

so i was lookin under my XJ to diagnose some clunking noises that goes on when i change my velocity. I found this bolt that wouldn't loosen or tighten. it seems like there is a locked nut on the other side but i dont know how to get to it. any help?

its the bolt that is directly in the middle of the pic. sry for not circling it, Mac OSX never thought of including a paint application fsr.

photo0486.jpg  
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Unread 02-14-2011, 10:54 AM   #2
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bump
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Unread 02-14-2011, 12:55 PM   #3
egodfrey
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Any pics from further away or a different angle, cant quite make out the spatial reference
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Unread 02-14-2011, 12:59 PM   #4
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What are we looking at?

And why do you have so much oil leaking?
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Unread 02-14-2011, 01:11 PM   #5
1990JEEPXJ
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that bolt holds the transmission mount on. if the threads are totally stripped, it can be causing your drivetrain to move and clunk. youll need to remove the cross member to be able to replace that mount and repair the threads.
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Unread 02-14-2011, 01:15 PM   #6
egodfrey
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Yea and check your seals and lines while your at it, some serious leaking going on, or you took these pics after driving through a murky lake
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Unread 02-14-2011, 01:16 PM   #7
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Is that the crossmember in the pic?
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Unread 02-14-2011, 01:19 PM   #8
WKdeuce
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There's that, and one opposite that hold the crossmember to the trans.
There's 4 bolts that hold the crossmember to the body.
Support the trans/transfer case, remove the crossmember, drill that broken bolt out & get a new rubber mount right there. It looks like you got nothing left of your trans mount, and that probably has a lot to do with the clunking. That would be on my replace ASAP list.
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Unread 02-14-2011, 02:43 PM   #9
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This pic was taken directly underneath the transfer case, and the camera was pointed toward the passenger side rear end of the jeep.

I doubt there is a major leak in that area, all the oil spots in my garage are directly under the engine and tranny oil pans.
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Unread 02-14-2011, 02:48 PM   #10
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Quote:
Originally Posted by Tim_XJ View Post
This pic was taken directly underneath the transfer case, and the camera was pointed toward the passenger side rear end of the jeep.

I doubt there is a major leak in that area, all the oil spots in my garage are directly under the engine and tranny oil pans.
Most likely the rear main or valve cover gasket. You have a major leak somewhere close by. It tends to move backwards as you drive (wind / motion).

You need to take the whole crossmember down to fix that bolt. I would grab a friend and get to it.
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Unread 02-14-2011, 02:55 PM   #11
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thanks for help,

so that "transmission mount" holds up the TC? are there any more tranny mounts i need to check out?
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Unread 02-14-2011, 03:07 PM   #12
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There's 3 main mounts that hook engine/trans/t-case to the body.
A motor mount on each side, and that cross member mount.
With that one so far gone, you may want to look at your motor mounts.
Play in one tends to kill the others.
If your motor mounts are broken, you may need a new exhaust manifold.
The motor's movement can break the header at the collectors.

Some guys may tell you to use polyurethane, but I'm a fan of OEM rubber.
That really comes down to personal preference.
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Unread 02-14-2011, 03:31 PM   #13
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Quote:
Originally Posted by ben1.8t View Post
There's 3 main mounts that hook engine/trans/t-case to the body.
A motor mount on each side, and that cross member mount.
With that one so far gone, you may want to look at your motor mounts.
Play in one tends to kill the others.
If your motor mounts are broken, you may need a new exhaust manifold.
The motor's movement can break the header at the collectors.

Some guys may tell you to use polyurethane, but I'm a fan of OEM rubber.
That really comes down to personal preference.
funny that you say that because i just replaced my motor mounts two days ago with OEM rubber mounts. and yes, i do have a crack in the exhaust manifold where it forks. i took a pic of how bad my motor mounts were, lol...
photo0485.jpg  
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Unread 02-14-2011, 04:28 PM   #14
BeachinXJ
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Yeah, you most likely need a new tranny mount. So, I would plan on replacing that as well along with the manifold.
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Unread 02-14-2011, 05:10 PM   #15
egodfrey
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Those motor mounts were ****ed,

Mine are bad too, thankfully i have some brown dog mm on the way
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