Re: Hydraulic pumps

[rwcohn@chinet.chinet.com (Robert W. Cohn)]

> 
> I rebuilt my ZF hydraulic pump with the factory rebuild kit.  I was VERY
> careful and followed the Bently manual AND the official Audi service bulletin
> on this subject. I used a nice torque wrench and kept everything super clean.
> 
> It didn't work.  Save the money and just get a rebuilt pump.  Then flush the
> hydraulic fluid once a year and clean the filter in the reservoir.  Your
> problems should dissappear forever..
> 
> ...bill 
> DEC
> Maynard, MA
> 
> 
> >I have considered rebuilding the pump myself before. Doesn't seem too
> >difficult looking at Bentley. But I have read here and been told by my
> >trusted mechanic at the Audi dealer that rebuilding the pump is usually
> >not very successful unless done by the manufacturer or professional
> >rebuilders who do it all the time. If the rebuilding is not done right,
> >the leaks start up again, especially considering the high pressures
> >it is operating under. I have successfully rebuilt a GM (Cadillac)
> >PS pump but I think the Audi pump is a very different beast altogether.
> >
> >Let us know how you make out if you attempt it.
> >
> >Zafer
> >zm@mhcnet.att.com
> 
Try it anyway.  A Bosch K-Jetronic fuel distributer isn't supposed 
to be able to be taken apart, and put together successfully.  I can
tell you it is possible.   Robert.....