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#1 |
Registered User
Join Date: Jun 2015
Location: Burley Idaho
Posts: 45
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Crossmember rivet removal help
I’ve been trying to remove my trailing arm Crossmember to flip the mounts and weld pipe for exhaust to pass through. I’ve got all the bottom rivets removed and the front of the top 2 removed and the heads knocked off the back 2. I’ve been tried to drill the back 2 rivets butvthe bit keeps wanting to walk. I can’t get my grinder in to flatten the knocked rivet down. Anybody have any suggestions that might help me get these back 2 out?
Posted via Mobile Device Last edited by LockDoc; 12-08-2017 at 11:48 AM. |
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#2 |
Registered User
Join Date: Aug 2015
Location: Alcoa;Tn
Posts: 208
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Re: Crossmember river removal help
Try putting your flapper wheel or grinding disc on upside down. Sometimes that will help you get in to a tite spot. If not break out the air chisel to cut the head of the rivet off.Last resort CUTTING TORCH!
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'71 Cheyenne Super LWB - Second Owner in 39 Years! '70 CST/10 SWB - Soon to be Daughter's truck when finished |
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#3 | |
Registered User
Join Date: Jun 2015
Location: Burley Idaho
Posts: 45
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Quote:
Posted via Mobile Device |
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#4 |
Senior Member
![]() Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,951
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Re: Crossmember river removal help
Use a center punch to dent the center of the rivet where you want to drill. Use a small bit to start, then work your way larger till it’s drilled out.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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#5 |
Registered User
Join Date: Jun 2016
Location: Vancouver, Washington
Posts: 423
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Re: Crossmember river removal help
I did the same, and had no problems.
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#6 |
Registered User
Join Date: Apr 2014
Location: Azle,Texas
Posts: 2,248
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Re: Crossmember rivet removal help
Thought I would add another step to making crossmember removal easier for the nextt guy who searches this. I found it difficult to punch out the rivets that were in the lower portion of the inner frame rail. The upper rail was in the way to get a straight shot with the punch. It’s really simple if you cut the top part of the crossmember like so. This is assuming you will not want to save or reuse/sell the factory one, of course.
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#7 | |
Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: Crossmember rivet removal help
Quote:
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"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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#8 |
Registered User
Join Date: Jul 2011
Location: El Campo, Tx
Posts: 13
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Re: Crossmember rivet removal help
I have used a rosebud to heat them up and then an air hammer to knock the heads off. It was up on a lift which makes it much a
easier than on the ground. |
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#9 |
Registered User
Join Date: Sep 2013
Location: United kingdom
Posts: 127
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Re: Crossmember rivet removal help
An air chisel made short work of mine
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GMC K1500 1971 350 cu in th350 4wd Bondo Bob c 10 1971 stepside th 350 c10 1970 350 cu in manual air con stepside. |
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#10 |
Senior Member
![]() Join Date: Dec 1999
Location: TX
Posts: 1,571
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Re: Crossmember rivet removal help
Make sure your air chisel is sharp! Grind it or sand it if needed. It makes a huge difference
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