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#1 |
Registered User
Join Date: Oct 2015
Location: San Tan Valley, Arizona
Posts: 313
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Rear control arm change
My father was in town this weekend so I had an extra hand. I needed to replace my rear springs from all the times my father and grandfather overloaded the old girl when They were on the farm. It seemed only fitting that he help me fix it. I reconditioned a set of control arms I picked up cheap on craigslist. I had hoped to get both done, but my old nemesis rust put a stop to that. We gave my grinder and cutoff wheel a good workout. I had to cut out the u bolt, front pivot bolt, and even the top spring mounting bolt out. The front pivot bolt is below. Tough work but it felt good to wrench with my father, even though most of the work was done with a grinder. Now I just need to find a torque wrench that goes to 200ftlbs for the new ubolt.
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#2 |
Moderator
![]() Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,193
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Re: Rear control arm change
Yep, I have warned several here to make sure they have all new fasteners,,,,on hand before they start...
Most of these fasteners have been in place for 40 + years...and they dont like being moved in most cases... Lots of rust remover spray...some heat sometimes and as you have discovered...split that nut with an air chisel and it will fall off.... Have fun... ![]() ![]() ![]() |
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#3 |
Registered User
Join Date: Oct 2015
Location: San Tan Valley, Arizona
Posts: 313
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Re: Rear control arm change
Yeah, I tried heat and spray. Neither worked. I only have a small mapp gas torch, so maybe it wasn't enough. I don't have an air chisel so I cut some slots in the nut and used a chisel and hammer. I just decided to cut out the upper spring mount. The nut that goes in the frame was fused with the washer. I believe that any attempt to remove it any other way would have been futile. Having replacement hardware is always a good idea. I find that even when I can get them out the are at least somewhat damaged.
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#4 | |
Registered User
Join Date: Oct 2012
Location: Green Valley Arizona
Posts: 1,351
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Re: Rear control arm change
Quote:
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1970 C10 Short Stepper with 71/72 front clip. |
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#5 |
Registered User
Join Date: Oct 2015
Location: San Tan Valley, Arizona
Posts: 313
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Re: Rear control arm change
I got the springs from gmc Paul's. I am pretty sure I got the spring mounts and u bolts from orange car and truck. I did end up buying a longer bolt for the lower spring mounts as the bolt that came in the kit was short. The front pivot bolt I used came with my used control arms. They came off an az truck and had no real rust on them. They are just standard grade 8 bolts available at any hardware store. I can measure length and size if you need it.
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#6 | |
Registered User
Join Date: Oct 2012
Location: Green Valley Arizona
Posts: 1,351
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Re: Rear control arm change
Quote:
http://www.ebay.com/itm/2-3-4-10x4-G...53.m1438.l2649
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1970 C10 Short Stepper with 71/72 front clip. |
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#7 |
Registered User
Join Date: Oct 2015
Location: San Tan Valley, Arizona
Posts: 313
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Re: Rear control arm change
I find that ace or true value tends to have a better selection than the orange or blue big box.
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#8 |
motor exploder
Join Date: Mar 2009
Location: Pittsburgh, PA
Posts: 2,346
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Re: Rear control arm change
x2 My local Ace Hardware is where it's at - much better bolt selection than HD or Lowe's.
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Adam 1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac 1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's 1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac 2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80 2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac ![]() ![]() Use the SEARCH function on this forum - it is your friend!! |
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#9 | ||
"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,940
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Re: Rear control arm change
Yup... our local Ace Hardware has 2 isles dedicated to fasteners. Fastenal is the distributor that stocks them. Great stuff!
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
Quote:
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#10 |
Registered User
Join Date: Oct 2012
Location: Green Valley Arizona
Posts: 1,351
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Re: Rear control arm cha
I agree...I usually go to local Ace, but since we are still surrounded by water and only have one vehicle that can get through the water, I opted for delivery to the neighbors. My grandson retrieves the mail and UPS deliveries each day.
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1970 C10 Short Stepper with 71/72 front clip. |
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#11 |
Registered User
![]() Join Date: Nov 2013
Location: Winnipeg, Mb
Posts: 1,115
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Re: Rear control arm change
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#12 |
Moderator
![]() Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,193
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Re: Rear control arm change
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