PS pump rebuild

[Kneale Brownson]

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Bentley for other Audi models advises using a 1/2" drive "drag link socket"
with the corners of its blade trimmed slightly to fit into the slots on
those caps.  A hand impact wrench is the tool of choice.  The seals are
just under the caps.  The pistons don't need to come out.

I haven't been able to coordinate holding the pump fast, holding a hand
impact wrench against its spring tension and swinging a hammer at the
impact, so I use the drag link socket on an air impact.  I retighten with
the socket on a breaker bar that I can smack with a palm.

At 05:23 PM 03/11/2002 -0800, Richard Hoffman wrote:

>I'm in the process of rebuilding the PS pump on my CQ - it's the funky half
>piston/half vane type pump.  Everything is very straightforward except for
>ONE thing:  I cannot figure out how to get the pistons out of the piston
>side...and I would like to do that so that I can replace the seals that may
>be leaking.  It looks like from the top there is a big "X" shaped place
>where a VERY large flathead screwdriver would be used to open it up....my
>largest screwdriver will not open it.
>Does this require a special tool or something?  Or am I doing it all wrong?
>Richard
>1990 CQ 199K
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