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Home >> Mazda >> 2009 >> CX-7 Touring, 2.3 L, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Knock Sensor (KS) Removal/Installation [L3 With TC]
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Knock Sensor (KS) Removal/Installation [L3 With TC]

CAUTION:
  • Be careful not to impact the sensor.
  • Verify that there is no debris between the sensor and the cylinder block before installing.
  1. Disconnect the negative battery cable.
  2. Remove the intake manifold. (See INTAKE AIR SYSTEM REMOVAL/INSTALLATION [L3 WITH TC] )
  3. Remove the KS attachment bolt to remove the KS.
  4. Fig 1: Identifying Knock Sensor
    G04859848Courtesy of MAZDA MOTORS CORP.
  5. Install in the reverse order of removal.

    Tightening torque 

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