Rear floor crossmember removal -
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post #1 of 3 Old 08-12-2012, 02:26 AM Thread Starter
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1985 CJ7 
Join Date: Jul 2009
Location: Montreal
Posts: 9
Rear floor crossmember removal

Is there a non-destructive way to remove the 3 rear floor crossmembers on a CJ/YJ? My tub is off the frame.


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post #2 of 3 Old 08-12-2012, 08:38 AM
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1982 CJ7 
Join Date: Jun 2010
Location: Marysville, WA
Posts: 5,672
Each cross member on the body is held in with spot welds. You will have to drill out the spot welds in order to remove them.

Get a spot weld drill out tool from Eastwood.

I just finished up replacing the rear floor in my tub. I didn't use a replacement panel, just some flat metal. Mine was so rusted out it didn't take much to remove the floor section. The cross member in the frame was also rusted out so I replaced that as well.

What I started with.

Whats was left of the rear cross member in the frame.


New cross member welded in with new bushings.

30yr old bushing compared to new poly bushing.

Cross member welded in and support channel I welded in to tie the floor into the sides.

Cross member the rear part of the seat bolts to welded in as well as the back half of the floor. I added a access door above the fuel tank sending unit so I could service it in the future.

Front panel being fit into place.

New support channel and front leg of the rear seat mounting nuts welded to the new piece. I used a few shelf support channels I had laying around for my support pieces.

Welding it all out.

Floor all welded out and sprayed with a layer of rubberized undercoating.

Considering this is the original body, I am only patching it up to get me though another year. I have another steel body out back of the shop I am going to blast, weld in new panels, paint, and spay on bed liner before putting it on a new frame.

Beat it to fit, paint it to match!

Wheel, Wrench, Repeat.
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post #3 of 3 Old 08-12-2012, 02:02 PM Thread Starter
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1985 CJ7 
Join Date: Jul 2009
Location: Montreal
Posts: 9
Thanks, that will help.
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