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Old 01-24-2011, 02:33 AM
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67Mustang Al. 67Mustang Al. is offline
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Mystified with this m cylinder.

Just a query for someone with trouble shooting experience with master cylinders.
Having gone to four places to find a set of cup seals for this"new" {sitting too long in the car) master cylinder , i am unable to get any brake fluid out of the secondary piston outflow after slow pumping with the screwdriver as a pushrod. Seals are on correctly and the primary piston is pumping as it should when i push the screwdriver into the end of the piston with plenty of fluid out of the line.
The only thing i can think of is that there is something missing which has the location of the secondary cup sitting on the wrong side of the filling port. Any clues gurus. Cant afford to pull any more hair out.
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