Power Brake Booster Vacuum Sensor Replacement

Fig 1: View Of Power Brake Booster Vacuum Sensor & Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Turn the ignition switch to the OFF position. Apply the brake pedal several times until the brake pedal becomes firm to deplete the power brake booster vacuum reserve.
1	Power Brake Booster Vacuum Sensor Electrical Connector
2	Power Brake Booster Vacuum Hose Tip: If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the vacuum hose to the power brake booster vacuum sensor. Do not use soap.
3	Power Brake Booster Vacuum Sensor Tip: If necessary, a small amount of denatured alcohol can be used as an assembly aid for installing the power brake booster vacuum sensor to the brake booster. Do not use soap.