Bad master cylinder, or re-bleed needed? (new booster fixed)

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, Olds 98 91-96, Buick Lesabres and Park Avenue 91-96. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.
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wpbrink
SLE Member
SLE Member
Posts: 75
Joined: Mon Aug 11, 2014 2:40 am
Year and Trim: 1998 pontiac bonneville se

Re: Bad master cylinder, or re-bleed needed? (new booster fi

Post by wpbrink »

Gonna ask a dumb question. When I go to bleed the brake system in my 99' Bonneville do you start the car or just turn the ignition key on without car running? 2nd question : how do you bleed the ABS unit? I'm replacing the master cylinder this week. .
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