I had to replace my right engine mount to fix this complaint (go to this thread if your interested in background information:
http://www.lostjeeps.com/forum/phpBB3/vie ... 532#347532 ).
This was in my PM, so I decided to post my reply publicly in case anyone else needed help with this project (I hope you don't mind Drewd

).
Drewd wrote:
How did you replace the mount? I have this same problem and can even get to the bolts that hold it on top and bottom.
Also, how did you tighten the mount? There are two 18mm nuts on top and bottom of it and I can't figure out how to get to them so I can tighten them while I'm under the vehicle.
Thanks for any help you can provide.
I only messed with the right (passenger side) motor mount. I looked at the left side upper nut, and it looks easier to get to. You don't have to remove anything on the top of the right side to access the upper mount nut.
To tighten the top nut on the right side, you should remove the air cleaner cover. I took the clamp loose at the cover (not the turbo) and removed it completely. Then you need a looooooong 1/2 inch socket extension with a u-joint and a mid size (not too shallow and not too deep) 18mm socket to get to the nut and tighten it. Use a big ratchet or breaker bar to tighten it.
For the bottom nut, you can use the same setup as above. If you remove the lower skid plate, it's a real easy job.
As far as replacing the motor mount, it is super easy if you have access to a hydraulic lift, if not, it would not be easy, but do-able.
To get to the upper nut, you again, need to remove the air cleaner cover. You also need to
loosen the upper fan shroud. The fan shroud is held in place by two 10mm bolts about 1/4 way down on each side of the shroud. Remove the 2 bolts then pull the shroud out from under the A/C hoses (you need to push it rearward towards the engine to get it "
loose"). Remove the top nut off the engine mount.
Jack up the vehicle (preferably on a vehicle hoist

). Remove the lower skid plate and then remove the lower bolt. Raise the engine/transmission up to get the mount out. You have to raise the engine up high enough to clear the 2 studs sticking out on the top and the bottom of the mount (I would guess about 4 to 5 inches). This is the easy part, the hard part is getting the mount past the exhaust. I just yanked it out with a prybar, then jammed the new one back in. Be careful though!! The engine is raised up pretty high while your doing this and could fall off the jack stand (or whatever you choose to lift it with).
Put the mount in place and install the 2 mount nuts. The mount has a "key pin" in it and can only be installed (properly) one way. Put everything back in reverse order that you removed it (don't forget to tighten the motor mount nuts

).
TIP: If you don't loosen the fan shroud, you may break it with the cooling fan when you lift the engine up. The shop manual says to
remove the fan and the shroud, but loosening up the shroud worked for me, I didn't touch the fan at all. Raise the engine only enough to get the mount in and out!
Also, when installing the shroud, there are 2 hooks on the bottom of the lower shroud that you have to engage properly to the upper shroud before it will fit in place. Make sure you have the hooks engaged properly or you may break something trying to get the 10mm bolts back in. When everything is lined up, it goes together pretty easy!
I have 2000 miles on mine since the mount and not a hint of a crack/clunk/creak/rattle/etc. Fixed all my complaints of "front end noise".
Hope this helps.......

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