brake problems
3 posters
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brake problems
pigs521bbf July 15th 2014, 6:14 pm
got an 1989 f-150, i got rid of the booster for the master cylinder. I replace the manual master cylinder, but the truck will not stop, any ideas?
pigs521bbf- Posts : 173
Join date : 2013-04-10
Re: brake problems
dfree383 July 15th 2014, 6:17 pm
did you change the ratio on the pedal? correct length push rod?
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pigs521bbf- Posts : 173
Join date : 2013-04-10
Re: brake problems
pigs521bbf July 15th 2014, 6:23 pm
I have bled the brakes and the pedal is hard when push it in...
pigs521bbf- Posts : 173
Join date : 2013-04-10
Re: brake problems
dfree383 July 15th 2014, 6:31 pm
you used the correct manual parts, not the power brake parts? Just swaping the master won't cut it.
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pigs521bbf- Posts : 173
Join date : 2013-04-10
Re: brake problems
jasonf July 15th 2014, 6:41 pm
Define "will not stop". Like it won't stop at all or is the pedal just hard? A hard pedal requires a smaller bore master cyl. Manual brakes usually have a different pedal ratio as well. That is why Dave is asking if you switched the pedal as well as the m/cyl. The manual brakes are harder so the pedal will give you more leverage making the pedal easier to push down.
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