That does make it a bit more difficult.  I would be surprised if the pins
were the same.  Unless someone knows for sure they are not the same it might
be worth while to visit a salvage yard or an Audi dealer.
Sorry for my jumping to conclusions.
Ed

On Wed, 1 Apr 2009 16:43:56 -0700, mark drillock <mdrillock@COX.NET> wrote:

>There is one possible problem with your mining effort. The more common
>caliper used on 86-91 is Girling brand. It uses it's own carriers. There
>were some ATE calipers also fitted around 89 but these use a different
>carrier mated to them. Since the guide pins are what attach the caliper
>to the carrier there might be a different pin used depending on which
>brand is involved. More digging is needed.
>
>Mark
>
>Ed McLean wrote:
>> Come on guys, let's do a little data mining here.
>>
>> Starting with what we know:
>> Need Guide Pins for brake caliper for an '86 Vanagon
>>
>> Looking in the ETKA catalog we see no pins listed for the '86 Vanagon but if
>> you look at the '88 Vanagon, which has the same calipers, we see Guide Pins
>> (Description notation (3)  251 615 219A) for ATE calipers.
>>
>> Now taking this part number to the BusDepot website, we find these pins are
>> available from Germany.
>>
>> If we do a Google search with this part number, we see on a Russian website
>> where these are used on several Audi models, including the late 1987 Audi
>> 100.  This is confirmed for the US version by going back to the ETKA Audi
>> section.
>>
>> Looking back at the Google search, we see that there is a Beck Arnley
>> product (084-1244 Brake Guide Pin Kit) that is two guide pins, rubber seals,
>> and bolts for the 1987 Audi 100 and the following other cars:
>>     *  1989-1994 Audi 100
>>     * 1989-1993 Audi 100 Quattro
>>     * 1989-1991 Audi 200
>>     * 1989-1991 Audi 200 Quattro
>>     * 1980-1987 Audi 4000
>>     * 1984-1987 Audi 4000 Quattro
>>     * 1980-1988 Audi 5000
>>     * 1986-1988 Audi 5000 Quattro
>>     * 1988-1992 Audi 80
>>     * 1988-1992 Audi 80 Quattro
>>     * 1988-1991 Audi 90
>>     * 1988-1991 Audi 90 Quattro
>>     * 1995-1995 Audi A6 Quattro
>>     * 1981-1987 Audi Coupe
>>     * 1990-1991 Audi Coupe Quattro
>>     * 1973-1979 Audi Fox
>>     * 1983-1985 Audi Quattro
>>     * 1992-1993 Audi S4
>>     * 1995-1995 Audi S6
>>     * 1990-1993 Audi V8 Quattro
>>     * 1984-1985 BMW 318i
>>     * 1984-1989 Mercedes Benz 190D
>>     * 1984-1986 Mercedes Benz 190E
>>
>> Now you have lots of options:
>> Either buy them from a list vendor
>> or
>> buy them from a FLAPS or internet FLAPS
>> or
>> go to a salvage yard and pull them from one of the above mentioned cars.
>>
>> All it takes is just a little work to find this information.
>>
>>
>> Of course, don't buy these based on my notes here.  Do your own research and
>> convince yourself that you are getting the correct part.
>>
>>
>> I also would like to mention, from my own experience, that the top surface
>> where the pin mates to the caliper, must be absolutely perpendicular to the
>> axis of the pin or the caliper will jam when the pin bolts are tightened.  I
>> know this because I purchased some calipers a while back and they were not
>> packed securely.  During shipment the very heavy box was dropped and the
>> pins were bent because the calipers were shipped assembled on the carriers.
>>  This caused the calipers to jam and overheated my brakes, destroying the
>> grease seals and throwing wheel bearing grease all over everything,
>> including the pads and discs.
>>
>> Regards,
>> Ed
>>