Repair procedures: Removal

WARNING: This page is about a different car, the 2014 Hyundai Elantra GT and 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.

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

Fig 1: Identifying Knock Sensor Connector
Courtesy of HYUNDAI MOTOR AMERICA
Remove the intake manifold.
(Refer to "INTAKE MANIFOLD ")
Remove the installation bolt (A), and then remove the sensor from the cylinder block.

Fig 2: Identifying Knock Sensor Connector Bolt
Courtesy of HYUNDAI MOTOR AMERICA