Brake booster replacement

This is step by step according to my book
let me know if you need more information.
Good luck!

Disconnect negative battery cable.
Remove air cleaner (if necessary).
Disconnect manifold vacuum hose from booster check valve.
Depress brake pedal several times to release vacuum in system (if ABS equipped).
Disconnect brake lines from master cylinder.
Remove master cylinder-to-brake booster nuts. Remove master cylinder.
From under dash, remove brakelight switch wiring connector.
Remove brake light retaining pin. Slide brake light switch off brake pedal pin just enough for outer plate of brake light switch to clear pin. Remove brake light switch from pin. Do not damage switch during removal.
Remove booster-to-dash panel retaining nuts. Slide booster push rod, bushing and inner nylon washer off brake pedal pin. From under hood, move booster forward until booster studs clear firewall.
Rotate front of booster inward (toward engine), and remove booster by raising until clear.
Installation:
To install, reverse removal procedure.