2021 Hyundai Palisade Calligraphy, FWDFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

  1. Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
  2. Disconnect the knock sensor connector (A).

    [Knock Sensor (Bank 1)]Β 

    G14423845Courtesy of HYUNDAI MOTOR AMERICA

    [Knock Sensor (Bank 2)]Β 

    G14423846Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the intake manifold.

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

  4. Remove the mounting bolt (A), and then remove the sensor from the cylinder block.

    Knock sensor mounting bolt:Β 

    15.7-23.5 N.m (1.6-2.4 kgf.m, 11.6 - 17.4 lb-ft)

    [Knock Sensor (Bank 1)]Β 

    G14423847Courtesy of HYUNDAI MOTOR AMERICA

    [Knock Sensor (Bank 2)]Β 

    G14423848Courtesy of HYUNDAI MOTOR AMERICA
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.