[200q20v] sticking caliper

[Kris Hansen]

The little 'v' shaped notches are indeed for some sort
of tool, used in the same way as the earlier model's
12mm allen. Our A4 has them like that. Of course I
don't have the tool for it, so I took an old socket
and ground notches in it, but that really is not the
best way, as is is easy for it to slip off. My
suggestion would be to go to the dealer, and see what
tool they use. If the caliper is leaking at the dust
seal, it probably needs a rebuild. Good luck!!

Kris
96 A4q
88 80q
90 Corrado G60


> 
> Well, I can't figure out what's going on.  I pulled
> the caliper off 
> the car, and tried pushing the piston in, and ended
> up breaking the 
> tool in the process(plate shaped like a pad, with a
> screw in the 
> middle); tried rotating the piston, with no luck(and
> I don't see any 
> allen key hole; just two opposing V-shaped notches.)
> 
> I've also tried pushing the piston in with a
> C-clamp; no movement whatsoever.
> 
> To make matters worse, after my manipulations, the
> piston is now 
> leaking fluid in a slow drip-drip-drip.  Right near
> the end, looks 
> like where the boot attaches to the end of the
> piston.
> 
> I suppose at this point I have nothing to loose from
> completely 
> removing it from the car, "benching" it and ripping
> it completely 
> apart; I wanted to avoid that, but it's either
> overhaul it or replace 
> it with a rebuilt, and either way, it's gotta come
> off...<sigh>.
> 
> Brett
> '91 200q20v
> -- 
> ----
> Brett Dikeman				Systems Engineer
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