Repair Procedures: Removal

WARNING: This page is about a different car, the 2018 Kia Forte5. 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 (-) terminal.
Remove the cable from alternator "B" terminal (A).

Fig 1: Alternator B Terminal
Courtesy of KIA MOTORS AMERICA, INC.
Remove the knock sensor bracket (A).
Loosen the mounting bolt (B) and disconnect the connector (C).
Remove the sensor from the cylinder block.

Fig 2: Knock Sensor Bracket, Connector And Mounting Bolt

Courtesy of KIA MOTORS AMERICA, INC.