Repair procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) cable.
Disconnect the knock sensor connector (A).
[Bank 1]

Fig 1: Locating Knock Sensor Connector (Bank 1)
Courtesy of HYUNDAI MOTOR CO.

[Bank 2]

Fig 2: Locating Knock Sensor Connector (Bank 2)
Courtesy of HYUNDAI MOTOR CO.
Remove the intake manifold. (Refer to INTAKE AND EXHAUST SYSTEM .)
Remove the installation bolt (A), and then remove the sensor from the cylinder block.
[Bank 1]

Fig 3: Locating Knock Sensor Bolt (Bank 1)
Courtesy of HYUNDAI MOTOR CO.

[Bank 2]

Fig 4: Locating Knock Sensor Bolt (Bank 2)
Courtesy of HYUNDAI MOTOR CO.