2007 Mazda 6 MazdaspeedFACTORY OEM SERVICE PROCEDURE

Knock Sensor (KS) Removal/Installation

CAUTION:
  • Be careful not to impact the sensor.
  • Verify that there is no debris between the sensor and the cylinder block before installing.
  1. Remove the intake manifold. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION ).
  2. Remove the KS attachment bolt to remove the KS.
  3. Install in the reverse order of removal.

    Tightening torqueΒ 

    16-24 N.m {1.7-2.4 kgf.m, 12-17 ft.lbf}Β 

    Fig 1: Locating KS Sensor
    G04325257Courtesy of MAZDA MOTORS CORP.
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.

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