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

Repair Procedures: Removal

  1. Switch "OFF" the ignition and disconnect the battery negative (-) terminal.
  2. Remove the Intake Manifold.

    (Refer to Engine Mechanical System - "INTAKE MANIFOLD ")

  3. Disconnect the oil temperature & oil pressure sensor connector (A).
    G14632901Courtesy of HYUNDAI MOTOR AMERICA
  4. Disconnect the engine coolant sensor connector (A).
    G14632902Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the installation bolt (A), and then remove the knock sensor (B).

    Tightening torque: 

    7.8 - 11.7 N.m (1.9 - 2.4 kgf.m, 5.7 - 8.6 lb-ft)

    G14632903Courtesy of HYUNDAI MOTOR AMERICA
    G14632904Courtesy of HYUNDAI MOTOR AMERICA