Brake

Asked by Butchkrueger Mar 26, 2017 at 07:49 PM about the 2002 Audi TT

Question type: Maintenance & Repair

When letting up on the brake there is a "hissing "
sound!  Any ideas?

3 Answers
220,915

Rowefast answered 7 years ago

Sounds like it could be the power brake booster leaking.

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220,915

Rowefast answered 7 years ago

The brake booster would have to be replaced. There is nothing a mechanic can do to fix it other than replace it.

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