Knock Sensor Replacement. Buick GL7 (Export) 2000

For 1990-2009 cars

### Removal Procedure

1. Turn OFF the ignition.
2. Raise the vehicle. Refer to Vehicle Lifting Caution in General Information.
3. Disconnect the knock sensor wiring connector from the knock sensor.
4. Remove the knock sensor from the engine block.

### Installation Procedure

Important: 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. Connect the knock sensor wiring harness connector to the knock sensor.
3. Lower the vehicle.