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Home >> Kia >> 2019 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different car >> Section 274 (Engine Control System (PHEV)) >> Knock Sensor (KS) >> Repair Procedures >> Removal

Repair Procedures: Removal

WARNING: This page is about a different car, the 2018 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Remove the intake manifold. (Refer to INTAKE MANIFOLD Engine Mechanical System - "Intanke Manifold")
  3. Disconnect the knock sensor connector (A).
  4. Remove the installation bolt (B), and then remove the sensor from the cylinder block.

    Knock sensor mounting bolt: 

    18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb.ft)

    G12347291Courtesy of KIA MOTORS AMERICA, INC.
    G12347292Courtesy of KIA MOTORS AMERICA, INC.