Using A2 rear Disks upside down on A1 Drum upgrade.

[volksrocco@hotmail.com (Brad Sayer)]

I have A3 rear calipers on my car (8months now).  Yes, you switch sides and 
mount upside down, and they go on and look like the regular 16V calipers.  I 
just remove the top pin, swing the caliper down to bleed.  The ebrake 
mechanism is fully enclosed inside, so no more binding/seizing.  Further, 
the calipers are about half the cost (brand new) of replacement 16V 
calipers.

I recall when I bought the A3 calipers they were being advertised as 
replacements for A2.  From that I would think that you could mount A2 
calipers on an A1 in the same manner, but I would suggest jsut using the A3 
calipers anyway.

Brad

87 16V


>From: T Berk <tberk@mindspring.com>
>To: Scirocco List <scirocco-l@scirocco.org>
>Subject: Using A2 rear Disks upside down on A1 Drum upgrade.
>Date: Fri, 09 Aug 2002 13:28:25 -0700
>
>
>
>I understand you can use A3 rear disk calipers on A1 chassis cars (I
>have an 81 Scirocco) as I know a guy who did it.
>
>My question is whether the A2 & A3 calipers are close enough to
>interchange, in terms of mounting points, etc.?
>
>I also understand the A3 units have corrected allot of the problems with
>parking brake binding that have plagued A1 rear disks in the past (16v).
>
>It would be better to buy new but I have an 86 GTI awaiting de-parting
>in the backyard already.
>
>Lastly, for those who don't know- the idea is the later calipers bolt
>up, but you need to swap the left and right sides and in doing so flip
>the caliper around so that the bleeding screw is now positioned upside
>down. Of course this would seem to be counterproductive but once bled
>(lines connected but caliper unbolted from axle) they don't need anymore
>use of the bleeder until it's major work time again anyway.
>
>tia,
>TBerk
>
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