2007 Toyota FJ Cruiser 4WD, Part TimeFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE 

    (See PRECAUTION )

  2. REMOVE CHAIN SUB-ASSEMBLY 

    Refer to the procedures up to "REMOVE CHAIN SUB-ASSEMBLY" (See REMOVAL ).

  3. REMOVE NO. 1 COOL AIR INLET  (See REMOVAL )
  4. REMOVE EXHAUST PIPE STOPPER BRACKET (for 4WD) 
  5. REMOVE NO. 2 FRONT EXHAUST PIPE ASSEMBLY  (See REMOVAL )
  6. REMOVE FRONT EXHAUST PIPE ASSEMBLY  (See REMOVAL )
  7. REMOVE MANIFOLD STAY  (See REMOVAL )
  8. REMOVE EXHAUST MANIFOLD SUB-ASSEMBLY RH  (See REMOVAL )
  9. DISCONNECT NO. 1 FUEL PIPE SUB-ASSEMBLY  (See REMOVAL )
  10. DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY  (See REMOVAL )
  11. REMOVE INTAKE MANIFOLD  (See REMOVAL )
  12. REMOVE WATER BYPASS JOINT RR  (See REMOVAL )
  13. REMOVE CAMSHAFT TIMING GEARS AND NO. 2 CHAIN (for Bank 1)  (See REMOVAL )
  14. REMOVE NO. 2 CHAIN TENSIONER ASSEMBLY  (See REMOVAL )
  15. REMOVE CAMSHAFTS (for Bank 1)  (See REMOVAL )
  16. REMOVE NO. 2 CAMSHAFT BEARING 
  17. REMOVE CYLINDER HEAD SUB-ASSEMBLY  (See REMOVAL )
  18. REMOVE CYLINDER HEAD GASKET 
  19. DISCONNECT HEATER WATER INLET HOSE 
    1. Disconnect the heater water inlet hose from the water outlet pipe.
      Fig 1: Identifying Heater Water Inlet Hose
      G05198025Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE NO. 1 WATER OUTLET PIPE 
    1. Remove the 4 wire harness clamps.
    2. Remove the 3 bolts and water outlet pipe.
      Fig 2: Identifying Water Outlet Pipe Bolts
      G05198021Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  21. REMOVE KNOCK SENSOR 
    1. Disconnect the 2 knock sensor connectors.
    2. Remove the 2 bolts and 2 knock sensors.
      Fig 3: Identifying Knock Sensors Bolts
      G05198022Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

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

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