Vacuum sensor ASSY (FA20): Removal

Disconnection of the battery ground terminal (Refer to Working precautions and notes )
Removal of engine cover SUB-ASSY No. 1 (Refer to REMOVAL )
Removal of air pressure sensor ASSY
1. Disconnect the connector for air pressure sensor ASSY.
  
  Fig 1: Locating Air Pressure Sensor Assembly Connectors
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the bolt, and remove the air pressure sensor ASSY.
  
  Fig 2: Locating Air Pressure Sensor Assembly Bolts
  Courtesy of SUBARU OF AMERICA, INC.
3. Remove the O-ring from the air pressure sensor ASSY.
  
  Fig 3: Locating Air Pressure Sensor Assembly O-Ring
  Courtesy of SUBARU OF AMERICA, INC.