Knock Sensor (KS) Removal/Installation - 3.0L

Disconnect the negative battery cable. See BATTERY DISCONNECT .
Raise and support the vehicle.

Fig 1: Disconnecting Knock Sensor (KS) Electrical Connector - 3.0L
Courtesy of MAZDA MOTORS CORP.
Disconnect the knock sensor (KS) electrical connector.

Fig 2: Removing Knock Sensor Bolt - 3.0L
Courtesy of MAZDA MOTORS CORP.
Remove the bolt and the KS.
To install, reverse the removal procedure.