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-   -   brake pedal will not come up (https://67-72chevytrucks.com/vboard/showthread.php?t=256797)

gary67 09-03-2007 08:58 PM

brake pedal will not come up
 
i am working on a 71 i bought a new master cyl and brake booster
i used a old perportion valve.
the pedal wont come all the way back up with out help should i adjust the rod going to the master cyl
or buy a new valve?

centsless 09-03-2007 09:42 PM

Re: brake pedal will not come up
 
Check the bellcrank assembly behind the booster. Spray it with WD40 and work it some and see if it helps. You may even have to remove the pin and clean it up, then re install it.

dave2953 09-03-2007 10:31 PM

Re: brake pedal will not come up
 
How tight is the nut installed on the bolt that connects the booster linkage to the pedal? It only needs to be tightened enough to allow the cotter pin to be installed.

wibilly 09-03-2007 11:39 PM

Re: brake pedal will not come up
 
did you bench bleed your new master


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