4.2 A6 dual piston front break pad replacement

[mike]

Not even team door handle at their peak would design
brakes that needed bleeding to change the pads (would
they?)


--- Eric Langheinrich <eric at xmission.com> wrote:

> So, it's time to replace the front pads on my A6.
> Dealer wanted over $300
> which after having done breaks for years I scoffed
> at. Pulled one of the
> wheels today and wow what a setup. Quite a
> difference with the dual pistons
> and all the fun tubing makes the front caliper look
> like something off of
> the space shuttle. 
> 
> Digging around to remove the caliper from the car I
> came across my first
> question and figured I'd see if anyone has any
> advice. 
> 
> There are two possible ways the caliper can be
> handled. There is a set of
> torx (top and bottom) that look like they will allow
> the caliper to be split
> in two. Then, behind a couple of plastic covers
> where I expected a set of
> torx there are round bolts. Not torx, not hex, just
> round with a hole that
> is an inch or so deep. These look like the bolts
> that hold the calipers on. 
> 
> Am I missing something or is the way to handle these
> to just pull the torx
> splitting the caliper in two? This of course will
> require a lot of break
> bleeding since the bleeder valve will need to be
> removed to remove the top
> torx. 
> 
> What is the deal with the other bolts? I haven't run
> across anything quite
> like it in my days of working on cars. 
> 
> Any BTDT advice?
> 
> Thanks, 
> 
> Eric
> 
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