Master Cylinder - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-02-2003, 03:35 AM   #1
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Default Master Cylinder

as my break problems continue...im guessing its the master cylinder...we adjusted the drums the other day so that htey worked fine...and bled the system as well but didnt bleed the master cylinder...anyways...i think the drums still work fine because when we adjusted them the parking break actually was harder to press in...so im guessing thats because we adjusted them right...well it started doing the same thing again and the parking break is still hard to press so im guessing the drums are good its just the master cylinder that is being stupid...new one at checker is 59 dollars...gmparts is 150...im gunna try bleeding the master cylinder on saturday see if that helps...any ideas on anythign else?
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Old 10-02-2003, 10:00 AM   #2
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Whats it doing?? I just had to replace my master cylinder because the piston inside was catching therefore making my brakes very weak. Put new one on and wala like brand new.
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Old 10-02-2003, 01:42 PM   #3
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Just replaced the master cylinder in my '94SSE.
The brakes would work fine if you stepped on them with
good pressure but then would fade out as you stopped.
If you slowly pressed on them it would go almost all the way to the floor.
Not Good. Turned out Master was bad.
Also changed out the rotors and pads for EBC Sport.
All works great now.
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Old 10-02-2003, 02:33 PM   #4
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Default Re: Master Cylinder

Quote:
Originally Posted by CraZyDriVer868
as my break problems continue...im guessing its the master cylinder...we adjusted the drums the other day so that htey worked fine...and bled the system as well but didnt bleed the master cylinder...anyways...i think the drums still work fine because when we adjusted them the parking break actually was harder to press in...so im guessing thats because we adjusted them right...well it started doing the same thing again and the parking break is still hard to press so im guessing the drums are good its just the master cylinder that is being stupid...new one at checker is 59 dollars...gmparts is 150...im gunna try bleeding the master cylinder on saturday see if that helps...any ideas on anythign else?
Just a thought here...Have you checked all your lines for leaks? Could be letting air in...
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Old 10-02-2003, 02:35 PM   #5
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no visible leaks
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