Hey Neil, I have the same issue with inconsistent brake pedal feel. Let me know if the mc swap does the to for you.

Alistair

> On Jul 21, 2015, at 10:23 PM, Neil N <musomuso@GMAIL.COM> wrote:
> 
> Hi all.
> 
> After replacing the master cylinder R&R on my '81 Westy. I took apart
> the old one and took some pics starting here:
> https://picasaweb.google.com/musomuso/NewFTEGermanMCOldMC#6174035582293290786
> The brown stuff looks like brake fluid mixed with OEM brake paste or grease.
> Does the seal shown look like it was starting to fail? Is it a
> hydraulic seal or does it just keep fluid out of the booster?
> 
> I replaced the MC because the brake pedal had (I hope), an
> inconsistent pedal height and felt like it was sinking *very very*
> slowly under normal foot pressure. This part was about 6-7 years old
> with relatively low miles. I replaced it with another FTE.
> 
> Thanks
> 
> Neil.
> 
> 
> --
> Neil n
> 
> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
> 
> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
> 
> 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>
> 
> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>