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#1 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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slammed truck bleeding brakes
i have a 1965 GMC that im redoing the brake lines. I have the poportion valves with no reset button Mc and a brake booster.
My problem is theres pressure for the first few pumps then nothing. ive been reading for hours on brakes bleeding but i think it may have something to do with my poportion valve being lower than my calipers. Im just trying to get an idea of were to start. |
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#2 |
C/10 junkie
Join Date: Nov 2010
Location: Stockton Ca
Posts: 9,093
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Re: slammed truck bleeding brakes
Watching
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Shawn 70 LWB C10 current driver/project http://67-72chevytrucks.com/vboard/s...d.php?t=663051 68 SWB C10 Work in progress.....SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=559520 72 LWB C10 Sold 71 LWB C10 Sold 68 LWB C10 CST Sold http://youtu.be/kbB0QrBIs9k My mom always had the best advice. It was just a tad late. After a fall that involved blood, she'd say....."Careful!" ![]() |
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#3 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
me too
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#4 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,692
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Re: slammed truck bleeding brakes
Where did you get your prop valve?
Are you sure it's not the drum brake's "distribution block"? What M/C do you have?
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#5 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
I got the pv fom cpp over two years ago. MC, Brake booster and pv were all running on my truck fine. I just installed my PB crossmember and redid my front brake lines.
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#6 |
C/10 junkie
Join Date: Nov 2010
Location: Stockton Ca
Posts: 9,093
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Re: slammed truck bleeding brakes
What I would do if I were you would be to remove the PB stuff and we'll swap cause then your brakes will work good
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Shawn 70 LWB C10 current driver/project http://67-72chevytrucks.com/vboard/s...d.php?t=663051 68 SWB C10 Work in progress.....SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=559520 72 LWB C10 Sold 71 LWB C10 Sold 68 LWB C10 CST Sold http://youtu.be/kbB0QrBIs9k My mom always had the best advice. It was just a tad late. After a fall that involved blood, she'd say....."Careful!" ![]() |
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#7 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,692
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Re: slammed truck bleeding brakes
So you had disc brakes prior to installing the Dropmember?
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Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#8 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
Yes lolife
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#9 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
The change was PB stuff and rerouting my PV in the frame
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#10 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,692
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Re: slammed truck bleeding brakes
Then I don't know what is going on.
Having the M/C lower than the calipers requires inline check valves. But the prop valve shouldn't.
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#11 |
67-72 parts collector,…
![]() Join Date: Nov 2002
Location: Mid-MO
Posts: 22,692
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Re: slammed truck bleeding brakes
Maybe the M/C just decided to go.
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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#12 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
Maybe your right I guess.....
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#13 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
I have notice that my brakes do get hard if I block my lines from mc but doesnt that mean its good mc
Last edited by Sick5; 02-22-2013 at 04:38 PM. |
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#14 |
Senior Member
![]() Join Date: Mar 2011
Location: West Plains, Missouri
Posts: 7,555
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Re: slammed truck bleeding brakes
Did the combination valve go off center, and only let fluid go to the open side???Jim
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my build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=459839 Jimbo's long bed step build:http://67-72chevytrucks.com/vboard/s...t=464626<br /> |
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#15 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
I checked the ground light on the pv and the light is on. How do I reset a custom pv with out the reset button
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#16 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
Wel I just purchased a 1975 corvette Mc.. well ill find out
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#17 |
C10 CLUB Y QUE!
Join Date: Mar 2010
Location: Here
Posts: 2,770
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Re: slammed truck bleeding brakes
Brakes done..... thanks guys
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#18 |
Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: slammed truck bleeding brakes
So it was the master cylinder?
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#19 |
C/10 junkie
Join Date: Nov 2010
Location: Stockton Ca
Posts: 9,093
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Re: slammed truck bleeding brakes
Good deal Gilbert. I knew it had to be something we overlooked. You gonna keep the corvette master?
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__________________
Shawn 70 LWB C10 current driver/project http://67-72chevytrucks.com/vboard/s...d.php?t=663051 68 SWB C10 Work in progress.....SOLD http://67-72chevytrucks.com/vboard/s...d.php?t=559520 72 LWB C10 Sold 71 LWB C10 Sold 68 LWB C10 CST Sold http://youtu.be/kbB0QrBIs9k My mom always had the best advice. It was just a tad late. After a fall that involved blood, she'd say....."Careful!" ![]() |
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