2004 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Camshaft Position Sensor: Replacement

  1. REMOVE AIR CLEANER INLET NO.1 (See  REPLACEMENT  ) 
  2. DRAIN ENGINE COOLANT (See  ENGINE COOLANT  ) 
  3. REMOVE V-BANK COVER 
  4. REMOVE ENGINE ROOM SIDE COVER 
  5. DISCONNECT RADIATOR HOSE NO.1 
  6. REMOVE TIMING BELT COVER SUB-ASSY NO.3 LH (See  REPLACEMENT  ) 
  7. REMOVE CAMSHAFT POSITION SENSOR 
    1. Remove the bolt, stud bolt and sensor.
  8. INSTALL CAMSHAFT POSITION SENSOR 
    1. Install a new sensor with the bolt and stud bolt.

      Torque: 7.5 N.m (76 kgf.cm, 66 in. lbf) 

      Fig 1: Identifying Camshaft Position Sensor
      G01051904Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. INSTALL TIMING BELT COVER SUB-ASSY NO.3 LH (See  REPLACEMENT  ) 
  10. CONNECT RADIATOR HOSE NO.1 
  11. INSTALL AIR CLEANER INLET NO.1 (See  REPLACEMENT  ) 
  12. INSTALL ENGINE ROOM SIDE COVER 
  13. INSTALL V-BANK COVER 
  14. REFILL ENGINE COOLANT (See  ENGINE COOLANT  ) 
  15. WARM UP ENGINE 
  16. CHECK FOR ENGINE COOLANT LEAKS 
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:

  • • 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.

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