Removing
1. The knock sensor is screwed into the cylinder block on its rear side.
2. Fully apply the parking brake. Raise the front of the vehicle and securely jack stands under it (see «Lifting and placing the car on supports»).
3. Trace the wiring from the sensor to its electrical connector and disconnect the electrical connector, disconnecting the sensor wiring from the main harness.
4. Turn out a bolt of fastening of the gauge and remove the gauge from the block of cylinders.
Installation
5. Installation is carried out in the reverse order of removal. Tighten the sensor mounting bolt to the specified torque.