Master Cylinder leaking!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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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 10-13-2004, 01:52 AM   #1
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Default Master Cylinder leaking!!!

I was looking under my car and saw something that looked like oil dripping but it wasn't on the oil pan. When I popped my hood I saw that the master cylnder had brake fluid on it and it looks like it'* leaking. I didn't really notice this when I got it but it seems like it'* not leaking bad because the brake fluid is fine. It'* alittle low but but not enough to have a bad leak. Is this a sign of my master cylender going out? or maybe is that someone filled the brake fluid resavoir to much and it overflowed. I only had the car about a month now and it was broke down for about 2 weeks so really I've been driving it for about 2 to 3 weeks.
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Old 10-13-2004, 06:35 AM   #2
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It'* on its way out. Just did mine last month. Took me about 15-30 minutes to bleed it and install it myself. Two bolts, one rubber brake line and two simple metal brake lines. Then I just took it down the road to a local shop to have them professionally bleed the wheel cylinders and calipers and now I'm good to go. Total job cost was about $115 , $60 for labor, and about $55 for the MC. See my sticky thread about "which master cylinder to get" at the top of this forum page. I chose the one with hte reservoir already attached. I beleive it was the 6 inch one.
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