Repair procedures: Removal

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

Fig 1: Identifying Knock Sensor Connector
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Remove the intake manifold (Refer to REMOVAL AND INSTALLATION .
Remove the installation bolt (A), and then remove the sensor from the cylinder block.

Fig 2: Knock Sensor Component Location
Courtesy of KIA MOTORS AMERICA, INC.