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need a little help with brakes

Old 05-16-2007, 06:51 PM
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Default need a little help with brakes

ok so when i start up my ef hatch and push the brake it makes a high pitched sound, it makes that sound even if the car is not rolling and it gets louder the farther down i push the brake. i can't figure it out can anyone help me with this?
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Old 05-16-2007, 07:39 PM
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Default Re: need a little help with brakes

any other symptoms??? is the brake pedal low? making any other noises? how do the brakes feel? have you looked at the brake pads? what model? drums in the rear? where is the noise coming from? front rear? etc etc
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Old 05-17-2007, 03:40 AM
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Default Re: need a little help with brakes

Originally Posted by ef9zc View Post
any other symptoms??? is the brake pedal low? making any other noises? how do the brakes feel? have you looked at the brake pads? what model? drums in the rear? where is the noise coming from? front rear? etc etc
no other symptoms, car could stop on a dime, it has integra front brakes, drums in the rear, havent looked at the brake pads, its a 91 ef hatch. and the noise sounds like its coming from the brake master cylinder, i had a friend push on the brake while i was under the hood
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Old 05-17-2007, 09:22 AM
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Default Re: need a little help with brakes

its just a vacuum noise. nothing to worry about. quite common... just try removing the vacuum hose going to the powerbooster behind the master cylinder and blow a little air in to get any junk out.
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Old 05-17-2007, 10:32 AM
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Default Re: need a little help with brakes

should i take it comletely off and blow air throw it or while one end is still on or what
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Old 05-18-2007, 04:43 AM
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Default Re: need a little help with brakes

i mean, take the hose off the nozzle connected to the power booster, and just blow a little air inside to make sure theres no junk/debris inside. Usually older cars make this squeek noise, just one of those things.
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Old 05-20-2007, 11:57 AM
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Default Re: need a little help with brakes

its your brake booster (if you have one....sounds like it is)
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Old 06-02-2007, 08:45 AM
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Default Re: need a little help with brakes

i have tried blowing throw the vac hoses but nothing has changes and i even replaced the little plastic thing too
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Old 06-04-2007, 05:30 AM
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Default Re: need a little help with brakes

check your proportioning valve located just under the resivour. it may need replaced
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Old 06-04-2007, 06:19 PM
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Default Re: need a little help with brakes

Originally Posted by katie View Post
check your proportioning valve located just under the resivour. it may need replaced
that has nothing to do with it.
if you are experiencing a stiff brake pedal and are hearing what sounds like a vacuum leak then you have a brake booster that has a defective diaphram. hence the vacuum leak. it kinda hard to properly diagnose your problem with out seeing the vehicle. does it make any noise at all if you do not depress the brake pedal? is the noise constant when your foot is on the brake?
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