I hear a hissing

Tiny
GRMBOB
  • MEMBER
  • 2004 BMW X5
  • V8
  • 4WD
  • AUTOMATIC
  • 39,900 MILES
I have fit new pads now I hear a hissing from under the dash.
Thursday, December 20th, 2007 AT 3:47 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
This does sound like a brake booster issue so below is the info for the process from the manual. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed. Please let us know if you have other questions. Thanks
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Wednesday, April 14th, 2021 AT 1:55 PM

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