1996 S6 brakes - BTDT

[Steve Marinello]

I'm intrigued.  Are these the HP-2 brakes used on the second generation S4?

----- Original Message -----
From: "Phil Payne" <quattro at isham-research.com>
To: <quattro at audifans.com>
Sent: Saturday, May 31, 2003 3:03 PM
Subject: 1996 S6 brakes - BTDT


> Yers.  Not what I was expecting.
>
> I've not seen this caliper before.  It splits in half - the bolts being
14mm triple-square.
> The head bolt tool was used.
>
> Don't split it until you've retracted the pistons, though.  The usual
lever device with the
> blunt chisel-shaped end is sufficient.
>
> The outer two pads are located by smallish Torx-headed things - most of
them is spigot with a
> few turns of thread near the head.
>
> I had to change the discs.  The caliper frame is held on by two 17mm hex
head bolts - as
> usual, moved using the leg muscles.  You only need to loosen one and take
one out - swinging
> it up gives enough room for the old disc to drop out and the new one to go
in - saves a hell
> of a struggle to get the thing located again.  Learned on the first
caliper, used on the
> second.
>
> Major fiddle - there is a caliper guide pin mounted in the centre of the
outer half of the
> caliper.  If the disc and pads are VERY worn (hint) it's hard to
accomodate this thing to its
> new job with full thickness pads and a new disc.
>
> --
>   Phil Payne
>   http://www.isham-research.com/quattro
>   +44 7785 302 803
>