Engine Control System/Fuel System

Knock Sensor (KS) Repair Procedures

6steps
~36min
2/5difficulty
0102030405023.517N·mlb·ft
Tightening torque found on this page
Done 0 of 6

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery terminal.
  2. Drain the engine coolant (refer to "Cooling System" in Group EM).
  3. Remove the upper radiator hose (refer to "Cooling System" in Group EM).
  4. Disconnect the knock sensor connector (A).
  5. Remove the intake manifold (refer to "Intake and Exhaust System" in the EM group).
  6. Remove the mounting bolt (A) and remove the sensor from the cylinder block.

Installation

  • Install the component with the specified torque.
  • Note that internal damage may occur if the component is dropped. In this case, inspect it before use.
  1. Install in the reverse order of removal. Knock Sensor Mounting Bolt: 18.6 ~ 24 N·m

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.