Malibu V6-191 3.1L VIN M SFI (1997)
Knock Sensor: Service and Repair
REMOVE OR DISCONNECT
1. Disconnect the negative battery cable.
2. Raise the vehicle.
3. Remove the knock sensor wiring harness connector from knock sensor.
4. Remove the knock sensor from engine block.
INSTALL OR CONNECT
NOTE: Do Not apply thread sealant to sensor threads. The sensor is coated at factory and applying additional sealant will affect the sensors
ability to detect detonation.
1. Install the knock sensor into engine block.
2. Install the knock sensor wiring harness connector to the knock sensor.
3. Lower the vehicle.
4. Disconnect the negative battery cable.
