I hear a hissing

2004 BMW X5
39,900 MILES • V8 • 4WD • AUTOMATIC
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GRMBOB
  • MEMBER
  • 1 POST
i have fit new pads now I hear a hissing from under the dash.
Dec 20, 2007 at 3:47 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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KASEKENNY
  • CAR REPAIR CONTRIBUTOR
  • 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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Apr 14, 2021 at 1:55 PM
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