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Knock Sensor (2AZ-FE): Replacement

  1. DRAIN ENGINE COOLANT (See  REPLACEMENT  ) 
  2. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
  3. REMOVE THROTTLE BODY ASSY (See  REPLACEMENT  ) 
  4. REMOVE INTAKE MANIFOLD 
    1. Remove the 5 bolts, 2 nuts, intake manifold and gasket.
    Fig 1: Identifying Intake Manifold Bolts And Nuts
    G04391283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE KNOCK SENSOR 
    1. Disconnect the knock sensor connector.
    2. Remove the nut and knock sensor.
    Fig 2: Identifying Nut And Knock Sensor
    G04391284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL KNOCK SENSOR 
    1. Install the knock sensor with the nut.

      Torque: 20 N.m (204 kgf.cm, 15 ft.lbf) 

    2. Connect the knock sensor connector.
    Fig 3: Identifying Nut And Knock Sensor
    G04391285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. INSTALL INTAKE MANIFOLD 
    1. Install a new gasket and the intake manifold with the 5 bolts and 2 nuts.

      Torque: 30 N.m (306 kgf.cm, 22 ft.lbf) 

    Fig 4: Identifying Intake Manifold Bolts And Nuts
    G04391286Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. INSTALL THROTTLE BODY ASSY (See  REPLACEMENT  ) 
  9. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE 
  10. CHECK CONNECTION OF VACUUM HOSE 
  11. ADD ENGINE COOLANT (See  REPLACEMENT  ) 
  12. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
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