Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Remove the intake manifold (Refer to INTAKE & EXHAUST SYSTEM .
Disconnect the knock sensor connector (A).
[Bank 1]

Fig 1: Identifying Knock Sensor Connector (Bank 1)
Courtesy of HYUNDAI MOTOR AMERICA

[Bank 2]

Fig 2: Identifying Knock Sensor Connector (Bank 2)
Courtesy of HYUNDAI MOTOR AMERICA
Remove the cross over fuel pipe (A).

Fig 3: Identifying Cross Over Fuel Pipe
Courtesy of HYUNDAI MOTOR AMERICA
Remove the installation bolt (A), and then remove the sensor from the cylinder block.

Fig 4: Identifying Cylinder Block Bolts
Courtesy of HYUNDAI MOTOR AMERICA