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Home >> Hyundai >> 2021 >> Sonata SE >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.5L (Except HEV) >> Knock Sensor (KS) >> Repair Procedures >> Removal

Repair Procedures: Removal

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Remove the knock sensor (A) after loosening the mounting bolt.

    Tightening Torque: 

    18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.3 lb-ft)

    G14629201Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the wiring fixing clip after disconnecting the oil pressure sensor (OPS) connector (A) and engine coolant temperature sensor (ECTS) connector (B).
G14629202Courtesy of HYUNDAI MOTOR AMERICA