Question about 2004 Dodge Intrepid
Sounds like the rubber diapraghm inside the power brake booster has ruptured and is letting in air. You will need to take vehicle to a brake specialist to have it checked out. If the leak gets worse you will lose most power assistance to the brakes & the engine will idle erretically.
Posted on Aug 28, 2010
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Posted on Jan 02, 2017
Actually it sounds like the vacuum booster,which would explain the hissing noise.You easily check this,with the truck running depress the brake pedal and feel for air movement around the actuator rod that comes through the firewall and connects to the brake pedal.Fluid leaks either in the cab or around the master cylinder are generally the first sign that a master cylinder has gone bad.
Posted on May 06, 2009
Sounds like a vacume leak from power break booster, when you loose vacume it will stall out the engine if enought vacume is lost. chk. power break booster. and hose from engine leading to booster for vacume leak, booster is under hood, break master cyl. bolts to it.
Posted on Feb 21, 2009
this is caused by a defective leaking vacuum (that is the hiss) power brake booster diaphragm, replace the power brake booster.Use the link below for general instructions on replacing your booster, it is a diff car but the same type of part is on your car.
Posted on May 20, 2009
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