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07-13-2016, 11:02 PM
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#1 |
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Registered User
Join Date: Mar 2015
Location: Hannibal mo
Posts: 281
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Brake problem...is it my master cylinder or booster?
I just put all new brakes on my 69 swb and 5 lug setup and booster/master cylinder from 72. So i have disk front drum back with all new lines. no junction leaks no wheel cylinder leaks , NO LEAKS AT ALL. the fluid level isn't dropping at all either. I thought they were good after i bled them numerous times and seemed to have a decent pedal. Now i have hardly any pedal pressure when pump and then if trying to hold it down it just loses all pressure and fades down-the pedal that is.. I'm assuming brake booster or master cylinder is my only options left to be the problem...This all happened after my brakes which i thought were good suddenly went to the floor completely while backing out garage and i hit my other truck......
what do you guys think? 
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07-14-2016, 12:10 AM
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#2 |
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Registered User
Join Date: Dec 2015
Location: Ambrose ND
Posts: 28
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Re: Brake problem...is it my master cylinder or booster?
Sounds like a master cylinder to me.
__________________
71 GMC 1-2 ton 4x4 71 Chevy Cheyenne 2wd |
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07-14-2016, 12:44 AM
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#3 | |
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Senior Member
 
Join Date: Feb 2009
Location: Northern Nevada
Posts: 7,329
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Re: Brake problem...is it my master cylinder or booster?
Quote:
__________________
Tony 71 Custom Deluxe, SWB, 2WD, 402, A/C. I developed an assembly kit for restoring the (a) truck from the ground up. My build thread, and more on the assembly kit https://67-72chevytrucks.com/vboard/...d.php?t=730025 |
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07-14-2016, 11:53 AM
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#4 |
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Registered User
Join Date: Mar 2015
Location: Hannibal mo
Posts: 281
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Re: Brake problem...is it my master cylinder or booster?
Thanks guys, what I thought too.. guess ill try a new m.c. first
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07-14-2016, 04:26 PM
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#5 |
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Registered User
Join Date: Mar 2015
Location: Hannibal mo
Posts: 281
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Re: Brake problem...is it my master cylinder or booster?
spot on, you guys are the best --I have brake out of this world now with a brand new bench bled master cylinder!!
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07-14-2016, 11:08 PM
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#6 |
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Registered User
Join Date: Sep 2002
Location: Iowa
Posts: 236
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Re: Brake problem...is it my master cylinder or booster?
I'm having the same issue with my Jimmy...it's on the list for the weekend!
__________________
you never have too many suburbans.... |
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