Power Brake Booster: Removal
- Disconnect stop light switch to prevent discharging battery. Support master cylinder. Remove nuts securing master cylinder.
- Loosen clamp that secures vacuum hose to power brake unit check valve and remove hose. Remove check valve. Pull master cylinder off power brake unit, far enough away to allow removal of power brake unit.
- From inside cab, remove pin, spacers, and bushing securing push rod and stop light switch to brake pedal. Remove nuts securing power brake unit and remove.