Brakes
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New User
Joined: Feb 2004
Posts: 14
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From: Wyomin
Brakes
I have a 79 f150 ranger and the brakes are so crappy that if i were having to stop in hurry i wouldnt be able to. Ive bled the brakes and also checked for leaks in the lines. all four brakes have been rebuilt. I also have a new booster. Would having the truck running help when i bleed it.
Postmaster
Joined: Apr 2000
Posts: 2,838
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From: SD
What exactly was done to 'rebuild' all four brakes? - new pads/shoes, new rotors/drums, new calipers/wheel cylinders, new hoses?
Did the brakes feel mushy before you did this work?
How did you bleed them? Start with the farthest wheel from the master cyl and work your way closer - R rear, L rear, R front, L front. Have a friend pump the pedal several times then hold down while you loosen bleeder to release air/fluid and tighten bleeder BEFORE he lets off the pedal. Do this 4-5 times per wheel. Be sure not to run out of fluid in the master, or you will have to start all over. No need to have the engine running.
Are the rears adjusted so you can hear them rub the drum as you turn it? This is very important.
Marty
Did the brakes feel mushy before you did this work?
How did you bleed them? Start with the farthest wheel from the master cyl and work your way closer - R rear, L rear, R front, L front. Have a friend pump the pedal several times then hold down while you loosen bleeder to release air/fluid and tighten bleeder BEFORE he lets off the pedal. Do this 4-5 times per wheel. Be sure not to run out of fluid in the master, or you will have to start all over. No need to have the engine running.
Are the rears adjusted so you can hear them rub the drum as you turn it? This is very important.
Marty
Posting Guru
Joined: Sep 1999
Posts: 2,297
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From: Indiana
>>>Are the rears adjusted so you can hear them rub the drum as you turn it? This is very important<<<
Ditto on 73Custom's statement.
This is always the first thing to check if you have established there are no hydraulic leaks.
Ditto on 73Custom's statement.
This is always the first thing to check if you have established there are no hydraulic leaks.
New User
Joined: Jan 2008
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Did you pull the pin on the proportioning valve to bleed the front ,just like it states you have to do this, in the Ford shop manual ?
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Lead Driver
Joined: Nov 2000
Posts: 6,620
Likes: 340
From: Albuquerque
Mushy pedal usually equals air in the lines. You might check for rubber lines that are ballooning.
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