Repair Procedures: Removal

Knock Sensor #1 (Bank 1) 

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Disconnect the knock sensor connector (A).
   Fig 1: Knock Sensor #1 (Bank 1) Connector

   Courtesy of HYUNDAI MOTOR AMERICA
3. Remove the installation bolt (A), and then remove the sensor from the cylinder block.
   Fig 2: Knock Sensor #1 (Bank 1) Mounting Bolt

   Courtesy of HYUNDAI MOTOR AMERICA

Knock Sensor #2 (Bank 2) 

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Disconnect the knock sensor connector (A).
   Fig 3: Knock Sensor #2 (Bank 2) Connector

   Courtesy of HYUNDAI MOTOR AMERICA
3. Drain the engine coolant.

   (Refer to "COOLANT ")

4. Remove the radiator upper hose.

   (Refer to "RADIATOR ")

5. Remove the coolant pipe [Bank 2].

   (Refer to "WATER TEMPERATURE CONTROL ASSEMBLY ")

6. Remove the oil level gauge.

   (Refer to "OIL LEVEL GAUGE & PIPE ")

7. Remove the installation bolt (A), and then remove the sensor from the cylinder block.
   Fig 4: Knock Sensor #2 (Bank 2) Mounting Bolt

   Courtesy of HYUNDAI MOTOR AMERICA