Knock Sensor (KS) Removal / Installation - 4.0L

Fig 1: Removing /Installing Knock Sensor (4.0L)

Courtesy of MAZDA MOTORS CORP.

1. Remove the intake manifold. See INTAKE MANIFOLD REMOVAL / INSTALLATION - 4.0L .
   Fig 2: Disconnecting Knock Sensor Electrical Connector

   Courtesy of MAZDA MOTORS CORP.
2. Disconnect the knock sensor (KS) electrical connector.
   Fig 3: Removing Knock Sensor

   Courtesy of MAZDA MOTORS CORP.
3. Remove the KS.
   1. Remove the bolt.
   2. Remove the sensor.
4. To install, reverse the removal procedure.