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V70 2001 vacuum hiss at brake pedal

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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fsk
Posts: 2
Joined: 18 May 2009
Year and Model: 2001 v70 2.4T
Location: ohio

V70 2001 vacuum hiss at brake pedal

Post by fsk »

Have intermittent vacuum hiss at brake pedal...slight touch makes it often end. Starts again after some use later.

vegasjetskier
MVS Moderator
Posts: 1843
Joined: 16 December 2007
Year and Model: 2010 Toyota Prius
Location: Fernandina Bch, FL Formerly - Las Vegas, NV
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Post by vegasjetskier »

Sounds like a leaky vacuum booster.
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SOLD - 2001 Volvo S80 T6: Mobil 1 Oil & Synthetic ATF, Brake Performance drilled and slotted front rotors, Akebono Euro Ceramic pads and Yokohama Avid V4S tires, 91K miles.

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