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<Audi> Solved ABS problem
In message <firstname.lastname@example.org> Steve Manning writes:
> BTW, the 'press-in' nature of the ABS sensors strikes me as rather cheesy.
> Others I have worked on have been secured with a bolt or something more
> secure. As far as setting the gap is concerned, I just pushed them all the
> way in until they bottomed, and pried them out a tiny bit. They worked
> fine with this rather crude procedure. Bentley was no help with this whole
The proper procedure is not at all crude.
The PVC cap on the sensor (part # 437 927 809) is a one-time ablative. The
microfiche is quite explicit - the cap _MUST_ be discarded when the sensor is
removed, and replaced with a new one. The sensor is then replaced and pushed
in until it _touches_ the rotor. Obviously, the cap gets partly worn off as
soon as the vehicle moves - but the thickness of the _NEW_ cap sets the sensor
gap very accurately indeed.
Committee Member, UK Audi [ur-]quattro Owners Club