Brake mastercylinder

1999 JAGUAR S-TYPE
114,000 MILES
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RICK/LEGGE
  • MEMBER
  • 1 POST
Hi ive got a 1999 3.0 V6 s-type jaguar , when i start the car i get a hissing noise from my brake mastercylinder im not losing any fluid , but it is quite loud and the sound changes when i apply the brakes.

Regards

Rick
Sep 11, 2012 at 11:52 PM
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SATURNTECH9
  • ✓ASE Certified Mechanic
  • 30,869 POSTS
  • ASE Certified Mechanic
Sounds like a bad brake booster.
Sep 12, 2012 at 12:16 AM
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