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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2001 Volvo V70 XC Question: when I step on the brakes it sounds like there is air coming out what does that
Answer #1Greg's Orange Auto (10940 Answers) , Orange, CA - (714) 482-6185globalhelper August 19, 2013, 13:40Master
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Answer #2A-FERNA4 August 19, 2013, 15:12Enthusiast
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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