Removing the power brake booster

Fig 1: Nuts Securing Power Brake Booster To Firewall

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove from under the dashboard: 

• the retaining clip for the push rod for the power brake booster
• the four nuts securing the power brake booster to the firewall.

Remove from the engine compartment: 

• the connectors
• the vacuum hose
• the power brake booster.