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2001 Volvo V70 XC Question: when I step on the brakes it sounds like there is air coming out what does that

 

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jpinto122, Naugatuck, CT, August 19, 2013, 10:45
 Rookie

it happens everytime I get in the car and back out to the main rd but after driving for about 5 mins the sound goes away

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  • Answer #1

    Greg's Orange Auto (12205 Answers) , Orange, CA - (714) 361-9386
    globalhelper August 19, 2013, 13:40
     Master

    SEE PREVIOUS POST

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  • Answer #2

    A-FERNA4 August 19, 2013, 15:12
     Enthusiast

    THIS IS CAUSED BY THE BRAKE BOOSTER HAVING AN INTERNAL DIAPHRAM VACUME LEAK. CAUSING BRAKE BOOSTER VACUME PRESSURE TO ESCAPE WITCH CAN BE HEARD JUST OBOVE BRAKE PEDAL. .

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