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... to make a long story short, I wanted to take a quick peek at the archives for any reference to replacing the Master Cylinder, when I saw your post and read about your brake ordeal, to put it mildly. THAT was a long 3 threads!
Anyway, I don't think I have concaved or convexed pads. But what I was wondering, is that since my dash light does not come on as a warning sign from my Pressure Differential Warning Switch, then perhaps I do not have a bad MC. Volvo Techs tell me the missing clue is no dash light, since a MC failing equally on both ports is a billion to one. Normally, they tell me, the seals fail unevenly, and when a MC seal starts to fails that uneven system pressure triggers the Pressure Differential Warning Switch (PDWS), i.e., the dash light comes on. Sounds logical to me.
But, at any rate, what is more important is, if I do the MC swap for a new one, did you ever figure out if:
(1) Whether bench bleeding was really required?
(2) If the caliper bleeding sequence is critical?
I ask these two questions because I have a pressure bleeder, similar to the motive but from Snap-on. Volvo techs tell me that none of that is necessary when you have a pressure bleeder.
Thanks in advance,
diyer
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