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#1 |
Registered User
![]() Join Date: Dec 2008
Location: indiana
Posts: 304
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Rear wheel cylinder problems
Ok heres the scoop.....I have the narrower rear end of the 67-72 trucks and am trying to replace the rear brakes, basically everything from the backing plate the the drum, so I got all the parts finally today and the wheel cylinders don't fit the one's off the truck are narrower than the replacements and the parts store only shows what they sold me for all rear coil spring trucks. So my biggest problem is what can I do or where can I go from here? Any and all help would be greatly appreciated.
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00' Z28 ("wifes" car) 92' Mustang w/sbc ![]() 87' GMC Sierra Classic Short Bed Fleet side almost stock 69' Chevy short step carbed 6.0 w/400th trans. Completed w/325 miles on it |
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#2 |
Tot Roddin'
Join Date: Apr 2005
Location: Mid-MO
Posts: 24,461
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Re: Rear wheel cylinder problems
I replaced mine when I reworked the brakes last year, and didn't have any issues.
Which parts store? I went to O'Reilly and they fit direction in the location. Gotta ask... are they on the right side? IIRC the fittings went one way and one way only. I'll see if I can come up with a part number for you.
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-Nate ![]() 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package) |
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#3 |
Tot Roddin'
Join Date: Apr 2005
Location: Mid-MO
Posts: 24,461
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Re: Rear wheel cylinder problems
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-Nate ![]() 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package) |
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#4 |
Registered User
![]() Join Date: Dec 2008
Location: indiana
Posts: 304
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Re: Rear wheel cylinder problems
http://shop.advanceautoparts.com/web...p2HomeClicked=
These are what advanced says is the only one's for coil spring 1/2 tons. They didn't make a 12 bolt 3/4 ton did they? Other wise I see no option for any other rear wheel cylinders no matter what year the rear end is.
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00' Z28 ("wifes" car) 92' Mustang w/sbc ![]() 87' GMC Sierra Classic Short Bed Fleet side almost stock 69' Chevy short step carbed 6.0 w/400th trans. Completed w/325 miles on it Last edited by pumpgas; 09-20-2010 at 09:54 PM. |
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#5 |
Tot Roddin'
Join Date: Apr 2005
Location: Mid-MO
Posts: 24,461
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Re: Rear wheel cylinder problems
Is the "nozzle" angled or straight?
They might have given you front cylinders (angled) instead of rears (straight).
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-Nate ![]() 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package) Last edited by 72BlckButy; 09-20-2010 at 09:58 PM. |
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#6 |
Registered User
![]() Join Date: Dec 2008
Location: indiana
Posts: 304
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Re: Rear wheel cylinder problems
There straights......there just a little wider than what we took off.
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00' Z28 ("wifes" car) 92' Mustang w/sbc ![]() 87' GMC Sierra Classic Short Bed Fleet side almost stock 69' Chevy short step carbed 6.0 w/400th trans. Completed w/325 miles on it |
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#7 |
Registered User
Join Date: Dec 2006
Location: Rolla, MO
Posts: 2,463
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Re: Rear wheel cylinder problems
Are the bodies of the wheel cylinders wider or are the tits wider when they are mounted in the wheel cylinder. If the tits are wider you can squeez them in quite a bit but do it before you hook up the brake lines. They might be a little haard to squeez together but they will go.
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-Scott- |
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#8 |
Tot Roddin'
Join Date: Apr 2005
Location: Mid-MO
Posts: 24,461
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Re: Rear wheel cylinder problems
Huh... well unless they gave you the wrong ones, I would consider checking with another parts store and see how they match up.
Was the truck stock? Could the rearend have been changed at some point in its life?
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-Nate ![]() 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package) |
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#9 |
vw guy & now c-10 guy
![]() Join Date: Sep 2008
Location: Louisville,KY
Posts: 483
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Re: Rear wheel cylinder problems
i just did a complete rebuild of my rear brakes and my new wheel cylinders didnt wanna fit into the backing plate either, they came from o'reilly. i just did a slight grind on them until they fit- seems like i had to use different mounting bolts as well
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#10 |
Registered User
![]() Join Date: Dec 2008
Location: indiana
Posts: 304
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Re: Rear wheel cylinder problems
The actual body of the wheel cylinder is wider on the new one's. There are 2 ears on the backing plate that the cylinder sits on and the old one fits great the new ones rubber ends are being push in by those ears. Possible may have to grind the ears down/off tonight we'll see what happens.
__________________
00' Z28 ("wifes" car) 92' Mustang w/sbc ![]() 87' GMC Sierra Classic Short Bed Fleet side almost stock 69' Chevy short step carbed 6.0 w/400th trans. Completed w/325 miles on it |
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#11 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Rear wheel cylinder problems
i'd clean the old ones up and take them into a good autoparts store like NAPA to have them get me the proper ones
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#12 |
Under Construction
Join Date: Oct 2007
Location: Midlothian,TX (DFW)
Posts: 4,555
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Re: Rear wheel cylinder problems
we just did this on my son's '67 without issue as well. you do have to squeeze the new ones pretty good to get them to seat between the tabs so they will mount correctly though. let us know the outcome.
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Heath subscribe to the board here: http://67-72chevytrucks.com/vboard/payments.php http://67-72chevytrucks.com/vboard/s...d.php?t=157669 FAQ how to's 1956 Chevy Apache 1967 C10 SWB FleetSide (under construction) 1969 K10 SWB FleetSide (Future Build) 1972 C10 SWB Stepside (Future Build) 56 chevy truck : http://www.cardomain.com/ride/2955823/1 67 truck build: http://www.67-72chevytrucks.com/vboard/showthread.php?t=281357/1 69 k10: http://67-72chevytrucks.com/vboard/s...d.php?t=389470 |
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#13 |
Senior Member
![]() Join Date: Sep 2005
Location: Lewisville, Nc
Posts: 10,234
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Re: Rear wheel cylinder problems
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David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube |
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#14 |
Registered User
Join Date: Nov 2007
Location: Cartersville, ga.
Posts: 47
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Re: Rear wheel cylinder problems
Same issue, I just used the bench grinder and took off a little til they fit. No problems after that.
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#15 |
Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,217
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Re: Rear wheel cylinder problems
I used to run imto this often when I did a lot of brake work. I just cut the safety brackets on the backing plate back a little.
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#16 |
Registered User
![]() Join Date: Apr 2000
Location: Bradenton, FL
Posts: 1,036
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Re: Rear wheel cylinder problems
They do make different bore sizes. Sometimes if you take the dust shield off the cups inside have the bore size molded on them. I would compare the bore sizes of the two. Good luck.
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1970 CST/10 402,700R4,3:73 posi,AC,PS,PB,TLT,PW,Buckets with heaters |
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#17 |
Registered User
![]() Join Date: Dec 2008
Location: indiana
Posts: 304
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Re: Rear wheel cylinder problems
Everyone I've looked at for these monsters says they only offer 1 and the new one's are about 1/2" wider than what came off the rear so I guess we will be trimming those safety hooks down a tad.
__________________
00' Z28 ("wifes" car) 92' Mustang w/sbc ![]() 87' GMC Sierra Classic Short Bed Fleet side almost stock 69' Chevy short step carbed 6.0 w/400th trans. Completed w/325 miles on it |
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