removing the tranny crossmember - Chevy and GMC Duramax Diesel Forum
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post #1 of 3 (permalink) Old 10-13-2019, 11:29 AM Thread Starter
 
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removing the tranny crossmember

Im swapping my exhaust and dropping my crossmember. the bolts on the passenger side hit a exhaust support and one of the bolts is being difficult. does the exhaust support need to come out? Is there a better way to get the exhaust out? Thanks
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post #2 of 3 (permalink) Old 10-14-2019, 12:38 PM
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Yeah. Gotta remove it. Was still difficult to get out without cutting the pipe. Once you disconnect the flange between the cat & dpf you should be able to wiggle it out. Be careful though. When i took mine off it was under a load and it popped off. Pretty sure it nearly broke my hand.

2011 Silverado 2500hd 6.6 Duramax
2006 Silverado 1500 5.3L
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post #3 of 3 (permalink) Old 10-18-2019, 02:37 PM
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If I remember correctly I just dropped one side of the cross member a little and had enough room to wiggle things around. I did keep my Cat, got rid of the DPF, I just installed a new up pipe and exhaust. wasn't too bad of a job, did have to drill out a bolt on the exhaust flange though...

2012 GMC Sierra 2500HD Denali
Stage 1 short block, ATI damper, Fass 150, CP3, upgraded trans, Up pipe, Down pipe, EZ lynk w/ 5 tunes SOTF, Magnaflow exhaust, PCV re-route, 4 inch Fabtech lift, 35in tires, HD motor mounts
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