ur-q using oil - turbo ??

[quk@sievers.com (Phil Payne)]

In message <339C7756.3F30@iol.ie> George Harrison writes:

> Air-intake to turbo fairly clean ....very light traces of tacky goo.
> Turbo to intercooler....fairly wet with engine oil, enough to cause two
> drops to fall out.
> I flushed the intercooler with petrol....there was maybe an eggcup full
> of oil in there.

All normal.
 
> The turbo.....what kind of free play should there be?  I grabbed the
> shaft by the little nut on the end and tried to push in and out.  Minute
> amount of movement.  Tried to move from side to side...maybe 1mm
> movement. I can feel a definite rocking and can also hear the gentle
> knocking sound as I move it.  Any suggestions?

The wear limits are 0.2mm axial play, 0.55mm radial play - all end-to-end.

It's beginning to sound like an engine problem.  Anything unusual happen in the 
valve guide job?  Head bolts renewed?  What was the result of the plug 
examination?  All cylinders the same?
 
--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club