Removal Procedure

First Design

Fig 1: Electrical Connector, AIR Pressure Sensor, Shut Off Valve And Fastener
Courtesy of GENERAL MOTORS CORP.
1. Disconnect the electrical connector (1) from the secondary AIR pressure sensor (2).
2. Remove the fastener (4) from the secondary AIR shut off valve (3).
3. Remove the secondary AIR pressure sensor (2) from the shut off valve (3).

Second Design

Fig 1: Electrical Connector, Air Pressure Sensor And Shut Off Valve
Courtesy of GENERAL MOTORS CORP.
1. Disconnect the electrical connector (1) from the secondary AIR pressure sensor (2).
2. Remove the two fasteners of the AIR pressure sensor (2).
3. Remove the secondary AIR pressure sensor (2) from the shut off valve (3).