Question about Dodge Caravan

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When I press the break pedal i hear a noise like an air leak and the pedal goes all the way down and the truck barely stops.

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Your power booster has a tear in the diaphram. Replace booster unit. Let us know if you need more help.

Posted on Sep 14, 2010

Testimonial: "I know the answer is very late but I changed the booster and problem fix, thank you"

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2 Answers

95 Chevy Tahoe had both front and back breaks replaced. Now a week later I hear a hissing noise when i push on break pedal and it's hard to push and barely stops .


You have a iar leak on the vacumn pipe which is most likely or the diaphragm inside the servo has split so ask a local mechanic for a opinion

Jul 25, 2014 | 1995 Chevrolet Tahoe

1 Answer

I have a 99 gmc jimmy Ive notice while i slow down for a turn my car is still trying to accelerate and only when I come to a full stop it goes back to normal Also when first starting the car it revs up to...


Vacuum leak from brake booster. If you hear a sucking noise when you press the brake pedal replace it. Another way to check it is to place truck in gear set e-brake press brake pedal repeatedly and see if idle goes up and down. DO NOT PRESS GAS PEDAL DURING TEST.

Feb 01, 2014 | Cars & Trucks

1 Answer

I have 2001 ford f250 7.3l diesel. Seems like every summer it does same thing, usually during hottest part of summer but this year it's now. When at idle it is ok but barely press pedal and rpm will drop...


check for an air leak in the system. Check for fault codes for the injectors. There should be an air bleed line/valve at the top of the fuel tank. Check that it is not blocked up with mud from a wasp nest. All the indications are for an air leak or air in the fuel pump and injectors/lines

Sep 21, 2013 | Cars & Trucks

2 Answers

Brake pedal goes nearly to floor I can hear noise like air escaping


If u have not lost ne brake fluid then its ur master cyclinder under the fluid resevour only two bolts and the brake lines if u r losing fluid wouldnt always c if drum brakes can,leak inside the drum its called a wheel cylinder really depends on if losing fluid?

Jun 21, 2012 | 1988 Ford Escort EXP

1 Answer

I installed new rotors and new pads but my break pedal is to goes to far down when you press the pedal, can i adjust the break booster


You need to bleed the brakes. Sounds like you have air in the lines. Make sure to keep the reservoir full when doing this, also check for leaks at the Master Cylinder to make sure that you are not leaking fluid anywhere.

May 19, 2011 | Dodge Ram 1500 Cars & Trucks

2 Answers

Breaks will not work at random times?


YOU HAVE A BAD MASTER CYLINDER
HAVE IT REPLACED AHD YOU PROBLEM WILL GO AWAY

Mar 02, 2010 | 1995 Toyota Camry

2 Answers

My brakes are making a hissing noise when i let off the brake pedal. when i press the pedal the noise goes away.


you mean you hear air in the cab down by the pedal. If thats the case your power steering assist is leaking. Its the big black unit behind the brake master cylinder. It may set a check engine light at times for lean condition.

Nov 19, 2009 | 2005 Ford Expedition

1 Answer

Have to press hard on breaks to break on 528i bmw 2000


sounds like brake booster not working
check vacuum hose that goes to booster is ok and not leaking
engine off
pump up brake pedal several times
hold brake pedal down
start engine
pedal should sink down approx half to 3/4 way down indicating booster is working
if pedal doesnt go down when engine is running booster has leak or no vacuum supply from engine which requires great pedal effort to try and get vehicle to stop.

Jun 26, 2009 | 2000 BMW 5 Series

1 Answer

Our S80 Vovlo, as the vehicle is ruuning, I hear a air leakcoming from the brake patel area, as I touch the patel the noises stop and as I let out the brake patel, the air leake strat again, have any


it sounds like the vacuum pipe to the break servo is leaking or it could be the servo diaphragm broken hence you hear the noise in the car, if the brakes are harder to press its most likely to be the servo unit more than the pipe i would also expect you to having a ideling problem due to the extra air in the intake system. hope this helps regards John

May 15, 2009 | 2001 Volvo S80

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