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5K: Clutch Master Cylinder
Believe it or not I finally got around to finishing off the cluch M/C
on the '87 5kCSQ yesterday. Fortunately for me, a hacked off hex key
did the trick ... eventually.
Some of you may remember I said that the replacement M/C I had had the
casting lug for the inlet located so that it did not block access to
the allen bolt that attaches the MC. Well, I did confirm this to be the
case, but there was an issue with the swap. It turns out that the fit-
ting for the fluid line to the slave cylinder isn't exactly in the same
place either. This makes it appear that it might be possible to get the
clutch pedal to contact the line through the carpet. I don't think it
really will deform or damage the line, but I did want to make note of it.
As to the casting numbers ... the old part was made by ATE and had VW and
Audi logos ... no casting numbers. The replacement was made by FAG and
had the following numbers in the casting ... "S5529" "366" "65" ... I
am thinking that the second is some sort of date code and that the first
is the only one that really has any significance. I should also include
the part number from the box ... 4A0 721 401 which is probably a VW/Audi
number, and KG190028.1.2 which is likely to be FAG's reference number ...
San Jose, CA (USA)