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10-23-2004, 07:47 PM
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#1 |
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Registered User
 
Join Date: Apr 2002
Location: Bowling Green, kentucky
Posts: 182
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how to remove rear u bolts?
I know this seems a simple question. But does anybody have a trick on removing the rear u bolts on a "72" Have tried a strong arm and a 3' cheater bar, but only got a sore back!
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72 chevy C-10 swb fleetside,402 BB.700r4,buckets,console.etc. 72 Blazer CST 350,AT, new project 1971 Chevy Nova ,355 SB blow through turbo in works. |
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10-23-2004, 07:57 PM
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#2 |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Fire.........Heat. You can either heat the nuts or cut the u-bolts and put in new ones.
If you don't have a oxy/acc torch to cut with a common porpane torch will do the heating part. |
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10-23-2004, 09:03 PM
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#3 |
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67-72 parts collector,…
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,700
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cut em! I use a die grinder with a cut off wheel.
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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10-24-2004, 03:54 PM
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#4 |
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67 is sold
Join Date: Apr 2001
Location: Troy, Michigan
Posts: 6,733
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Yep - when disassembling my wrecked 67 frame, I cut the bolts
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10-24-2004, 04:20 PM
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#5 |
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Straight jacket required
Join Date: Oct 2003
Location: OKC, OK
Posts: 882
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a good method is to heat em up and theyll come right off. I did mine that way and it was easy.
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1968 C10 Short Stepper 350/350 A/C P/S P/B Front disc 3/5 static/ 12bolt rear 3:73 1979 Pontiac Trans Am 10th Anniversary/455/4spd 2011 H-D Street Glide - CAMMED n lowered Dad always said,"Son, if you can't be good...be good at it." 
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10-25-2004, 09:07 AM
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#6 |
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Senior Member
Join Date: Jun 2002
Location: Murray, Kentucky
Posts: 3,477
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I tried heat(oxy/ace) and a 10' cheater and still ended up cutting the bolts with a die grinder.
Be careful, there's alot of stress on those u-bolts and when they give it can scare the crap out of you... Good luck, Rg
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Roger '68 Short step - https://67-72chevytrucks.com/vboard/...d.php?t=849675 '69 ('70?) 2wd Blazer '70 GMC Jimmy 2wd '73 Firebird - https://67-72chevytrucks.com/vboard/...d.php?t=853203 |
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10-25-2004, 09:52 AM
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#7 |
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Keepin an eye out
Join Date: Feb 2003
Location: So.Cal
Posts: 3,920
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I also ended up cutting mine off.
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1970 Chevy C10 SWB 5.3 1996 Toyota Tacoma SR5 4x4 2007 Vespa GTS 250 Scooter ZIP 91351 |
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10-25-2004, 10:54 AM
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#8 |
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Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,831
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Guess I've had good luck...
Just sprayed mine with penetrating oil several times...used a cheater bar, came right off.
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1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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10-25-2004, 10:00 PM
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#9 |
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Registered User
Join Date: Apr 2002
Location: Bowling Green, kentucky
Posts: 182
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HEY HEY I got them off,after cutting with a die grinder,and they do pop and scare the crap out of you the first time! Live and learn!!
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72 chevy C-10 swb fleetside,402 BB.700r4,buckets,console.etc. 72 Blazer CST 350,AT, new project 1971 Chevy Nova ,355 SB blow through turbo in works. |
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10-25-2004, 10:00 PM
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#10 |
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Account Suspended
Join Date: May 2004
Location: Lake Placid, Florida
Posts: 930
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A good 1/2" 500ft/lb torque air impact gun usually does the trick for me.
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10-25-2004, 10:56 PM
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#11 |
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Senior Member
Join Date: Jun 2002
Location: Murray, Kentucky
Posts: 3,477
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Yeah, I've got knots on my head from that popping noise...
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Roger '68 Short step - https://67-72chevytrucks.com/vboard/...d.php?t=849675 '69 ('70?) 2wd Blazer '70 GMC Jimmy 2wd '73 Firebird - https://67-72chevytrucks.com/vboard/...d.php?t=853203 |
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10-30-2004, 03:29 PM
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#12 |
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A classic GM kinda guy
Join Date: Mar 2004
Location: Phoenix, Arizona
Posts: 296
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An old trick I used to use on "stubborn" bolts:
Heat the offending bolt and nut with a torch, then cool the bolt down with penetrating oil. Works great, especially on those stubborn exhaust manifold bolts.
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Old school rap music: a dual exhausted GM 6 with no mufflers. "If you can find a better vehicle, buy it" Lee Iacocca, Chrysler commercials of the '80s. "I did. They are called Classic GM pickups !!!"  
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