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Unread 12-23-2009, 07:15 PM   #1
bob082484
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Rear crossmember

Im having a bit of trouble finding a new rear crossmember. I can find the rear frame plates (like the ones from MORE) but their site says they can not be used as a crossmember and only as a way to strengthen the stock piece. Does anyone make a replacement one? Ive already looked at all the standard places:4wd, quadratec, jc whitney.

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Unread 12-23-2009, 07:25 PM   #2
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Besides the bone yards. Maybe Daveys Jeep?
Really call all the bone yards in your area. With the cash for clunkers program one of the yards will have some YJs.
In the area that I live in I have never seen any. As of receint there are some. You have to act quick though. It will not be long before they crush them.
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Unread 12-23-2009, 07:26 PM   #3
bob082484
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I can probably cut one off but I'd like to get a new one if possible.
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Unread 12-23-2009, 07:59 PM   #4
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Two words, Angle Iron. This thing will last forever.



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Unread 12-23-2009, 07:59 PM   #5
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Make one, it's not that difficult. Here's a picture of one of the last frames I've rebuilt & this one has both rear X-members. The one at the rear is made from a piece of 2" x 5" x 1/8" rectangular mild steel tubing - I get 2 out of 1 piece of tubing, I cut the tubing in half length wise. The next one in (the one in front of the fuel tank) I make from 4" x 4" x 1/8" square mild steel tubing, again cut length wise. In addition, I use a few other bits & pieces for brackets etc to finish them off.



Before you start to cut, measure the old cross members & transfer all the measurements to the steel tube (measure twice) and then cut it all to shape, cut all your bits and pieces, and then weld it all together. I weld all the pieces into place on the frame before I smooth it. For smoothing I like 60 grit flapper disks for my 4.5" angle grinder. I mark and cut the body mount holes last to get the spacing proper (use a hole saw for the holes).
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Unread 12-23-2009, 08:17 PM   #6
bob082484
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These are some good ideas. This spring I'm sending my jeep out to get the rear crossmembers fixed and the shop wanted me to get the pieces togeather awhile. Im just trying to keep the fabrication down.
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Unread 12-23-2009, 08:40 PM   #7
timatoe
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I think AtoZ and BTF both have one.

http://www.atozfabrication.com/store...4&cat=0&page=1

Maybe only AtoZ ??
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Unread 12-23-2009, 08:50 PM   #8
cubfanbudman
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I thought I saw these in the 4wd catalog

Rear Frame Crossmember and Other Jeep Parts and Jeep Accessories by 4 Wheel Drive Hardware
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Unread 12-24-2009, 08:47 AM   #9
bob082484
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I don't see how I could of overlooked that! I live by the 4wd catalog. I like the A to z one because its beefier but why do they have to cut those big holes in it?
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Unread 12-24-2009, 09:04 AM   #10
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Sorry misread your post. I thought you were talking about the transmission cross member.
I made my own rear cross member using this write up.
http://www.jeepforum.com/forum/f12/c...member-442274/
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Unread 12-24-2009, 09:54 AM   #11
93jeepyj
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Anyone know if theres a replacement crossmember available for the front side of the fuel tank?
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Unread 12-24-2009, 07:16 PM   #12
bob082484
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Im lookin for the front one as well. I havnt been able to find one but my welder said he'll have to make one from scratch. It shouldnt be too hard.
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Unread 12-25-2009, 10:25 AM   #13
Alfons
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Originally Posted by bob082484 View Post
Im lookin for the front one as well. I havnt been able to find one but my welder said he'll have to make one from scratch. It shouldnt be too hard.
If you look at my post (with pic), you'll see it's fairly easy to make. The 4 x 4 tube cut length wise into 2 pieces of "angle iron" gives you a good start,then it's just a matter of doing a bit of sculpting to get the shape right.

You can buy a lot of steel for the price you pay for a semi-finished cross member.
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Unread 12-25-2009, 10:42 AM   #14
Alfons
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Here are a couple more pictures for the x-member in front of the tank:

This one shows you some of the extra bits I welded on to make it look like the original - I found that some of the strange shapes actually had a use when I got around to re-assembling this jeep.



This picture shows a gusset I welded in to reinforce the corner at the frame - similar to the original.



This is one showing the painted frame and the tank, axles, etc., installed:

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Unread 08-11-2011, 09:39 PM   #15
hrt4me
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Those fabbed crossmembers at the rear of your frame and in front of your gas tank look good!
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