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Old 09-16-2010, 02:01 PM   #1
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Body mounts

My mechanic told me that my body mounts are shit. Now I'm not exactly sure what they are but he showed me two bolts one underneath each door and the bushings were dry rotted off i don't really know what he means by body mounts wether he means the whole bolt or just the bushing. Could some one give me a link to a good site to get what I need?
Thanks in advance

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Old 09-16-2010, 02:16 PM   #2
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I recently did this to my 92 yj. You have to get these from the dealer. They are FRAME MOUNTING BUSHINGS! These are the top and bottom bushing that cushion the body to the chassis. i believe there are 6 (3 on each) side ones, 2 rear, 1 front and 2 mid rear above axel.

they are also a b1tch to do. specially if rusted, and or seized.

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Old 09-16-2010, 02:20 PM   #3
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But mines an 89 and has been passed around everywhere I have no idea where the dealer is. Are they expensive from the dealer? And is there anywhere I can get them online? Thanks
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Old 09-16-2010, 02:26 PM   #4
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The body mounts are the mounting points that attach your Jeep body to the frame.

Your Jeep should have 11 mounts total.
1 in the front center just under the radiator.
3 down each side between the front wheels and rear wheels. (1 just behind the front wheel, 1 about center of the door and 1 just infront of the rear wheel) The ones that he showed you are the ones under the door. If you locate them again and look to the right and left along the frame you will see the other 2.
2 others, 1 on each side on the inside of the frame rail at the top of the rear frame arch just in front of the gas tank
The last 2 are on the rear corners 1 on each rear corner.

As I said earlier this will give you a total of 11.

They will be a big pain in the butt to get out if they are badly rusted. I ended up breaking 6 of the 11 bolts trying to replace them. depending on what bolt gets broken it will probably require you to cut into the body tub to remove the broken end of the bolt and replace the plate with a new nut.

Here is the kit that will work well: http://daystarweb.com/productdetail.php?productID=313

I am not sure how much that kit will cost you I wouldn't expect it to be more than $80. I purchased a kit from Daystar but I got one of their SuperKits that replaced all the bushings on the body mounts and all the suspension parts... That kit cost me around $180.
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Old 09-16-2010, 02:27 PM   #5
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^ deja vu..lol!


and yes they are a pain in the butt. The one thing that i had to do was cut the under carriage to get to a rusted bolt broken into the frame nut. Only due to the nut was enclosed.
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Old 09-16-2010, 03:29 PM   #6
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Hey Doc, They are much easier to get at from inside the cab, It also makes repatching the hole that you make to gain access to them much easier.
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Old 09-16-2010, 03:50 PM   #7
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Now does that kit come with bolts and everything or just the bushings? And could you give me a link right to a site where I can order them?
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Old 09-16-2010, 04:38 PM   #8
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yeah i kinda figure, but i did not want to cut out the interior. So i just cut the side wall out of the section that i needed to gain access to. Then i just welded it back on.
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Old 09-17-2010, 08:42 AM   #9
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Lwolf... No the kit only comes with the bushings, sleeves and washers, but you can easily find replacement bolts at your local hardware store. I picked up a set of grade 8 nuts and bolts from my local Farm & Fleet for about $20 total... much better than the $180 that the local Crysler/Jeep Dealer wanted for them.

Doc... It was easier for me to get at them from the inside considering that I already had to remove the interior to repair some rust in the floor pan. The ones that are going to really suck are the 2 in the rear corners those will require cutting thru the back panel of the tub to get to.
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Old 09-17-2010, 09:33 AM   #10
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Ahh, yeah i see what you mean. But i had already repaired the whole interior, new aluminum flooring, and undercoating w/ carpeting. So underneath for me was more suitable at that time. but it worked out cause i was able to hold the nut from the side and weld in a new one. When i was done i under coated the section, and used that Hardening Foam from the Depot. Welded it back together and i believe i am set.
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Old 09-17-2010, 10:13 AM   #11
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Nice... I haven't started working on repairing the interior yet as I knew that I would probably have to cut it up while doing the body mounts. Did you have any issues with the rear corners? Both of mine broke and the only way that I can see to get at them is thru the rear of the tub from the outside. I don't really relish the idea of cutting up the outside sheet metal, in the long run it really isnt an issue since I plan on repainting anyway. I just would like to know if there is an easier way to get at them.
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Old 09-17-2010, 10:33 AM   #12
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Although it was all rusted in the rear, my bolts are perfect. It still did suck to get to them.
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Old 09-19-2010, 05:58 PM   #13
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Could some one post a good link on how to replace these
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Old 09-19-2010, 08:34 PM   #14
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one bolt to remove in each. Works well if you have a crow bar to lift the body for the top mount. Not that hard.
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Old 09-20-2010, 08:00 AM   #15
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So I can do it with my jeep just sitting on the ground? I don't need to put it up on a jack?
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Old 09-20-2010, 09:45 AM   #16
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not really....just make it easier with it on a lift. Personally i dislike the backyard mechanic set up.
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Old 09-20-2010, 09:58 AM   #17
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You will need to jack up the body to get at the mounts once you remove the bolts. What I did was cut up some 2x4's and jacked one side up about 2.5" and stuck a 2x4 between the frame and body to hold it up while I worked on the mounts. This should give you enough clearance to work on the mounts and also distribute out the weight of the body. Make sure that you do 1 side at a time, do not remove all the bolts and then try replacing the mounts as you will have a hard time getting them to line back up, or even worse have the body fall off of the frame.

Your process should be something like this...
Remove the front bolt and lift the body and replace the mount bushings. Assuming that the Jeep has never been in a front end collision this will probably be the easiest one to replace. Once you have the front bushings in put the front bolt back in but do not tighten it, (just hand tighten).
Then pick a side... and loosen the mount bolts on that side only once you have all the bolts loose then jack the body up on that side about an inch or so and then remove the bolts completely. At this point jack the body up enough to get your 2x4 shims in. (You really don't have to do this but it will lessen the chance that you damage the body with the jack and will also give you room to work the old mounts out) Once you have them in place start removing the old mounts. Depending on how rusted and rotted the mounts are they may come out easy or they may fight you every step of the way. I found that on my Jeep, 7 out of the 11 mounts were solidly rusted into the frame mounts and were a pain in the ass to get them out. Mind you my Jeep is a '93 and these were the original body mounts. You will need a hammer, mallet, heavy screwdriver, prybar, and maybe a torch and angle grinder to get them out, if that is the case.
Either way once you get them out install your new mounts and replace your bolts... hand tighten them in place and remove the 2x4 shims. Once the shims are out and the jack removed hand tighten the bolts down again. Now repeat the same process on the opposite side of the Jeep. Once you have all of the mounts replaced torque all of the mount bolts down to spec and your done.

Note: Chances are that you ARE going to break one or more of the bolts during this process especially if they are the original mounts and they are badly rusted.
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Old 09-20-2010, 01:13 PM   #18
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Alright thanks guys

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