2017 Hyundai Azera BaseFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Removal

[Knock Sensor #1 (Bank 1)]Β 

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the knock sensor connector (A).
    Fig 1: Disconnecting Knock Sensor Connector
    G12088500Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the intake manifold.

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

  4. Remove the installation bolt (A), and then remove the sensor from the cylinder block.
Fig 2: Removing Sensor From Cylinder Block
G12088501Courtesy of HYUNDAI MOTOR AMERICA

[Knock Sensor #2 (Bank 2)]Β 

  1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
  2. Disconnect the knock sensor connector (A).
    Fig 3: Disconnecting Knock Sensor Connector
    G12088502Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the intake manifold.

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

  4. Remove the installation bolt (A), and then remove the sensor from the cylinder block.
Fig 4: Removing Sensor From Cylinder Block
G12088503Courtesy of HYUNDAI MOTOR AMERICA
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.