Brake bleeder screw sizes

[roccit_53 at scirocco.cs.uoguelph.ca (C Boyko)]

I can't comment on all the options, but if they've been remanned, they
often have to upsize the bleeders. (maybe a few sizes if they've been used
as core a few times) Another piece to the puzzle maybe, I think I needed 
three or four wrenches to bleed the Cabby.
Cathy

On 11:12 pm 07/03/06 Chris <open.seas@verizon.net> wrote:
> I was ordering "Speed Bleeder" bleed screws for a 1988 GTI and
> decided to also order some for my 1984 Scirocco.
>
> The Speed Bleeder manufacturer's site lists SB7100 (M7 x 1) for all
> four calipers on the 88 GTI.
>
> It lists the 84 Scirocco as SB7100 (M7 x 1) for the front calipers
> and,
>
>                         SB6100 (M6 x 1) for the rear drums
>
> I ordered from a retailer and when my order came in there was a pair
> of SB1010 (M10 x 1).  I called them about the SB1010 pair (for the
> rear of the Scirocco) and they felt that was the correct part and
> suggested that I check the part. I measured the bleed screw and it
> was M6 for the threaded portion and the hex appeared to require a 7mm
> wrench.
>
> I'm told that VW lists two part numbers for the Scirocco fronts:
>
> 113 615 273 A    bleeder valve     M7  x 1
>
> 113 615 273      bleeder valve    M10 x 1
>
> and for the rears:
>
> 3A0 611 475    bleeder valve    M7
>
> This gets curiouser and curiouser.
>
> What are the correct sizes?
>
> (I'm assuming that the specs for the bleeder valves follow the
> convention used for bolts, that is, a 10 mm bolt has a 10 mm diameter
> even though the hex head may be 10 mm.)
>
> My car has ATE calipers. I'm not sure what other brand of calipers
> were used for '84.
>
> Any help would be appreciated.
>
> Chris
>
> PS Neither my local (quality) foreign auto parts supplier nor the two
> closest VW dealers had or even stock the bleeder screws. For parts
> that regularly rust and snap off, this seems odd. So, if you can
> determine what size you need for your Scirocco you might want to
> consider the available Speed Bleeders instead of the apparently hard
> to get OEM parts.) I ordered the OEM parts from the VW dealer June 19
> or 20 (they were supposed to come in in 2-3 days) and I'm still
> waiting for them.
>
>
>
>
>
>
>
> _______________________________________________
> Scirocco-l mailing list
> Scirocco-l@scirocco.org
> http://neubayern.net/mailman/listinfo/scirocco-l