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Using A2 rear Disks upside down on A1 Drum upgrade.

Subject: Using A2 rear Disks upside down on A1 Drum upgrade.
From: ranahan@charter.net (John Erickson)
Date: Fri, 09 Aug 2002 18:01:05 -0400
In-reply-to: <00fc01c23fec$fe54d780$e6f73ccc@p5166>

New A1 rear calipers are $150.  Rebuilt ones usually don't 
have functioning e-brake mechanisms.  If you replace the 
pads on an A1 caliper, be prepared to pump the brake pedal 
at least 40 times (per the Bentley) and have to drive at 
least a week to get the self-adjusting mechanism to 
"settle in."  

New A3 calipers are $110.  Rebuilt units are fully 
functional.  The self-adjusting mechanism has the pads 
against the rotors in 10-20 pumps of the pedal and they 
are set.

I think my car stops better with the A3 rear caliper.  The 
main reason I made the switch was money, though.  My old 
ones were shot.

John




On Fri, 9 Aug 2002 17:37:40 -0400
  "Rick Alexander" <ralexander03@snet.net> wrote:
>I too have the original calipers on Rolling Roc (1/4 
>million miles plus).
>Some of the A1 calipers have trouble with the E-brake 
>seizing up (usually in
>the stop mode).
>
>Rick Alexander
>http://www.brubakerbox.com
>http://clubs.hemmings.com/hams/
>http://clubs.hemmings.com/vwsrus/
>
>----- Original Message -----
>From: "Allyn" <amalventano1@comcast.net>
>To: "John Erickson" <ranahan@charter.net>; "Rick 
>Alexander"
><ralexander03@snet.net>; "Scirocco List" 
><scirocco-l@scirocco.org>
>Sent: Friday, August 09, 2002 5:41 PM
>Subject: Re: Using A2 rear Disks upside down on A1 Drum 
>upgrade.
>
>
>> wait a sec, whats all this rear caliper rambling. i've 
>>had 8 sciroccos,
>half of which had rear
>> discs, and i changed pads at least once on all 4 of the 
>>disc-equipped
>cars. i never had any trouble
>> at all. what did i miss?
>> Al
>>
>> Allyn Malventano, ETC(SS), USN
>> 87 Rieger GTO Scirocco 16v (daily driver, 180k, rocco 
>>#6)
>> 86 Kamei Twin 16V Turbo Scirocco GTX ('it has begun', 
>>rocco #7)
>> 86.5 Occo 16v Trailer (dotting 'i's across the country, 
>>rocco #8)
>> 87 Jetta 8v Wolfsburg 2dr (daily driver, 260k, 0 
>>rattles, original clutch,
>driveshafts, wheels :)
>>
>> ----- Original Message -----
>> From: "John Erickson" <ranahan@charter.net>
>> To: "Rick Alexander" <ralexander03@snet.net>; "Scirocco 
>>List"
><scirocco-l@scirocco.org>
>> Sent: Friday, August 09, 2002 5:28 PM
>> Subject: Re: Using A2 rear Disks upside down on A1 Drum 
>>upgrade.
>>
>>
>> > ANYTHING is better than the A1 caliper.  The Scirocco 
>>16v
>> > rear caliper was the first rear caliper on any VW.
>> >  Apparently VW learned a lot in ten years.  I'm sure 
>>happy
>> > with my A3s.
>> >
>> > John
>> >
>> >
>> > On Fri, 9 Aug 2002 17:06:38 -0400
>> >   "Rick Alexander" <ralexander03@snet.net> wrote:
>> > >My understanding is that the A2 and A3 mount the same 
>>way
>> > >but that the
>> > >problems were not solved until the A3 which is why 
>>they
>> > >are the desirable
>> > >units to get for an upgrade. But then again... you 
>>have
>> > >the A2's
>> > >
>> > >Rick Alexander
>> > >http://www.brubakerbox.com
>> > >http://clubs.hemmings.com/hams/
>> > >http://clubs.hemmings.com/vwsrus/
>> > >
>> > >----- Original Message -----
>> > >From: "T Berk" <tberk@mindspring.com>
>> > >To: "Scirocco List" <scirocco-l@scirocco.org>
>> > >Sent: Friday, August 09, 2002 4:28 PM
>> > >Subject: Using A2 rear Disks upside down on A1 Drum
>> > >upgrade.
>> > >
>> > >
>> > >>
>> > >>
>> > >> 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
>> > >>
>> > >> _______________________________________________
>> > >> Scirocco-l mailing list
>> > >> Scirocco-l@scirocco.org
>> > >> http://neubayern.net/mailman/listinfo/scirocco-l
>> > >>
>> > >
>> > >
>> > >_______________________________________________
>> > >Scirocco-l mailing list
>> > >Scirocco-l@scirocco.org
>> > >http://neubayern.net/mailman/listinfo/scirocco-l
>> >
>> >
>> > _______________________________________________
>> > Scirocco-l mailing list
>> > Scirocco-l@scirocco.org
>> > http://neubayern.net/mailman/listinfo/scirocco-l
>>
>>
>> _______________________________________________
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>> Scirocco-l@scirocco.org
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>>
>

References:
- Using A2 rear Disks upside down on A1 Drum upgrade.
  - From: ralexander03@snet.net (Rick Alexander)

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