Audi a4 1.8 T hissing sound
#11
Have now booked it with another audi specialist who seems to have assured me that he will get to the root of the problem.He spoke of doing a "smoke test" to find the leak. Will let you know how i get on.thanks for the reply.
#14
Job done,found leak straight away.turns out to be a cut servo pipe.I'm amazed that the other so called audi experts could nt find the leak,especially after seeing the size of the split.many thanks everyone for your help.
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