2000 Dodge Intrepid brake air escaping

2000 DODGE INTREPID
145,000 MILES • 6 CYL • FWD • AUTOMATIC
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JBGD3255
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2000 Dodge Intrepid. Sounds like air escaping when the brake pedal is pushed and when its cold. Do I have a leak in the brake booster? If so should this be replaced? Can I do it myself?
Dec 1, 2008 at 3:15 PM
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RASMATAZ
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Check the power brake booster vacuum hose and the check valve.

A quick way to check the vacuum booster is to pump the brake pedal several times with the engine off to bleed off any vacuum that may still be in the unit. Then hold your foot on the pedal and start the engine. If the booster is working, the amount of effort required to hold the pedal should drop and the pedal itself may depress slightly. If nothing happens and the vacuum connections to the booster unit are okay, a new booster is needed (the vacuum hose should be replaced, too).
Dec 1, 2008 at 3:20 PM