Power Booster or Brake issues
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From: belton mo
Power Booster or Brake issues
i have a 1979 ford f150 body bronco chasiss truck.. it has a loud suckton sound when i push down on the brakes with it started..when not started it is rock hard like normal...first thought brake booster so i went and got one from the broncos orginial body .i know it works..and switched em. still same thing...and i even pumped the hell outta the brake pedal on both booster to see if maybe i just got major air in the lines but no luck... anyone got any suggestions.? thank you.
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Joined: Feb 2007
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From: Pittsburgh,Pa.
The suction sound you are hearing is a symptom the diaphram in the booster has failed.Does the 1 from the Bronco do the same thing?If it does you have 2 failed boosters.If it doesn't check the hose from the engine to the booster.Make sure it's not split or sucking air.Hope this helps.
Posting Guru
Joined: Feb 2007
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From: Pittsburgh,Pa.
StarTrash, hate to be the bearer of bad news but both boosters are junk.Not surprising considering the age of them.The rubber diaphrams will dry rot over time and eventually split.This is what creates the suction sound you hear.
Tuned
Joined: Jun 2005
Posts: 299
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From: Marryville, Tennessee
You can get a new/re-mfg booster master cylinder at Auto Zone for $125.00 I just got one for my 78 F250, They had to order it, took like 3 or 4 days to get. But thats the ticket for "safe" brakes. Cheap price for saftey and you get it all in one shot and your done viola!
Last edited by mason55; Apr 14, 2007 at 04:29 PM.
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From: belton mo
thanks for the replys..all i need is the booster and its 87.99 and a 21.00 core charge so i guess itll be on hold till next week damnit..lol...thanks guys.
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Tuned
Joined: Jun 2005
Posts: 299
Likes: 2
From: Marryville, Tennessee
Originally Posted by StarTrash
thanks for the replys..all i need is the booster and its 87.99 and a 21.00 core charge so i guess itll be on hold till next week damnit..lol...thanks guys.
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