Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Remove the intake manifold.
(Refer to "INTAKE MANIFOLD ")
Disconnect the knock sensor connector (A).
Bank 1

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

Bank 2

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

Fig 3: 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: Knock Sensor Mounting Bolts
Courtesy of HYUNDAI MOTOR AMERICA