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Old 07-27-2017, 06:45 PM   #1
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Join Date: Feb 2017
Location: New Mexico
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Quote:
Originally Posted by jcslocum View Post
I don't have much to offer here and have watched this thread closely.

1) Does the pedal firm up and stop drifting if you increase the pressure a bit (not full stomp) when it begins to drift down??

2) You may have gotten a bad, new master. It happens, maybe change it again?

3) Get a used ABS pump from Woody to swap in and see if that fixes it.

1) No...drift seems to independent of pressure. Light touch or firm touch. Similar fade speed.

2) I thought I might have gotten a bad one (it was an ATE). I ordered another one (Meyerle) and it does the same thing. Three master cylinders. All fade at about the same rate. I'm hope I'm not so unlucky as to have three fail on me (two brand new).

3) I've got a used one coming. That's pretty much the last part I can think of to replace.

If that doesn't work, I think I'm going to start pulling parts of the working Boxster till I fix it.
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Non Porsche :1959 International B120, 1960 International B120, 2015 BMW M3
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