Removal And Installation

Disconnect the battery negative (-) terminal.
Disconnect the Knock Sensor (KS) connector (A).

Courtesy of HYUNDAI MOTOR AMERICA
Remove the Knock Sensor (KS) (A) after removing the bolt.
Tightening torque:

18.6 - 24.5 N.m (1.9 - 2.5 kgf.m, 13.7 - 18.1 Ib-ft)

Courtesy of HYUNDAI MOTOR AMERICA
Install in the reverse order of removal.