Power Brake Booster: Removal
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sierra, 1999 GMC Savana Special, and 1999 GMC Savana Camper Special. However, it is still accessible from the selected car via links, so may be relevant.
- Press brake pedal several times to exhaust pressure from accumulator. Clean dirt from hydraulic line connections at booster and at master cylinder. Disconnect hydraulic lines from booster and plug all openings.NOTE: In most cases, it is not necessary to disconnect master cylinder brake lines to remove booster.
- Remove and support master cylinder. See Fig 1. Disconnect booster push rod from brake pedal. See Fig 2. Remove booster-to-firewall nuts from inside vehicle. See Fig 3. Remove booster and gaskets.