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Old 07-03-2017, 04:28 PM   #1
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Join Date: Feb 2017
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Installed new Master cylinder. Bled the brakes with a power bleeder (I got one a few years back). Bled the clutch. Still doing the same thing. Normal brake feel with full ABS kicking on when I stomp hard. Plenty of room between lockup and floor. Then slowly the brake pedal lowers to the floor. Checked all the connection points and cannot find a leak. Fluid level in the reservoir isn't changing. Guess I'll put on a new brake booster since I can't think of anything else.

If someone has another suggestion, let me know...
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V.H. Whitley
Owner of Waaay too many vehicles
Non Porsche :1959 International B120, 1960 International B120, 2015 BMW M3
Porsche: 1997 986, 2001 986S, 1968 911L, 1968 911S, 2005 911, 1984 928, 2008 Cayenne S.
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Old 07-03-2017, 05:37 PM   #2
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Quote:
Originally Posted by Rotmilky View Post
Installed new Master cylinder. Bled the brakes with a power bleeder (I got one a few years back). Bled the clutch. Still doing the same thing.

If someone has another suggestion, let me know...
Have you verified the integrity of the 4 brake caliper rubber hoses with a helper pushing the break pedal?
A worn out hose could be 'ballooning' under pressure, but they will return to their collapsed diameter when you relieve the pedal.. just a thought

.

Last edited by Gilles; 07-03-2017 at 05:39 PM.
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