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Old 01-20-2018, 08:13 PM   #1
B. W.
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Cab corners & rockers

About to start replacing the rockers & cab corners.

Should I do rockers first or corners?
Does it matter?
Am I over-thinking this?
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Old 01-20-2018, 10:45 PM   #2
BD70CST
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Re: Cab corners & rockers

Iíve only done the rockers, but Iíve read that you will want to do the cab corners first.
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Old 01-21-2018, 12:33 AM   #3
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Re: Cab corners & rockers

be sure to weld some x bracing in there before you start cutting...
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Old 01-21-2018, 11:45 AM   #4
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Re: Cab corners & rockers

You'll want to do both at the same time, taking the cab corner off first, then take the rocker off, then new rocker in, then the new cab corner. You'll probably need to replace the bottoms of the pillars as well so be expecting that. Mark your bolt holes on the door hinges for easier alignment because you'll have to hang the doors and take them off multiple times.
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Old 01-21-2018, 01:11 PM   #5
B. W.
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Re: Cab corners & rockers

Thanks for the info guys, I'm hanging the doors today for a trial fit with the old rockers. (Doors are from different trucks) Good idea to mark the hinges.
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Old 01-31-2018, 02:00 AM   #6
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Re: Cab corners & rockers

yeah once you get your doors testfitted nice you know theyre gonna fit back in there. Cross bracing doesnít hurt but if you arenít cutting the outer floor or A pillar things should remain where they are. You doing the inner rocker too? Which is basically the outer floor.

Regardless, I would recommend not cutting the rocker and cab corner off at the same time. Take off the rocker first. While itís off, drill out the couple spot welds on the cab corner that are covered by the rocker.

Use the original cab corner to ensure your new rocker panel fits where it should. Tack it in place or use self tapping screws to keep it where it lines up nice with the old cab corner, the door (test fit again) and the fender. If all good weld some more but not crazy. Then carefully cut off the cab corner and replace it. You can weld it on the backside where those spot welds were because the new rocker is in the way.
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Old 01-31-2018, 12:41 PM   #7
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Re: Cab corners & rockers

Thanks for all the advice. Got the doors fitted, ended up ripping into the driver's cab corner first due to B pillar damage. Truck took a pretty good hit on the section that's cut out in the pic. Bent the pillar causing the door gap to be uneven. Think I'll keep the driver's cab corner - no rust just damage.
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