2006 Lexus RX 330 FWDFACTORY OEM SERVICE PROCEDURE

Knock Sensor: Installation

  1. INSTALL KNOCK SENSOR 
    1. Install the 2 knock sensors with the 2 nuts as shown in the illustration.

      Torque: 20 N*m (199 kgf*cm, 14 ft.*lbf) 

    2. Connect the 2 knock sensor connectors.
    Fig 1: Installing Knock Sensors With Nuts
    G04087518Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL WATER OUTLET 
    1. Install 2 new gaskets to the 2 cylinder heads.
    2. Install the water outlet together with water by-pass hose No. 1 and unlock the hose clamp.
    3. Tighten the 2 bolts, 2 nuts and 2 washers.

      Torque: 15 N*m (153 kgf*cm, 11 ft.*lbf) 

    4. Install the clamp.
    5. Connect the engine coolant temperature sensor connector.
    6. Connect the radiator hose inlet.
    Fig 2: Connecting Radiator Hose Inlet
    G04087519Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL ENGINE MOVING CONTROL ROD (See  INSTALLATION  ) 
  4. INSTALL INTAKE MANIFOLD 
    1. Install the intake manifold with the 9 bolts, 2 nuts and 2 washers. Using several steps, tighten the bolts and nuts uniformly in the sequence shown in the illustration.

      Torque: 15 N*m (153 kgf*cm, 11 ft.*lbf) 

    2. Retighten the water outlet mounting bolts and nuts.

      Torque: 15 N*m (153 kgf*cm, 11 ft.*lbf) 

    3. Install the ground cable with the nut.

      Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf) 

    4. Connect the heater inlet water hose.
      Fig 3: Tightening Intake Manifold Bolts And Nuts
      G04087520Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Connect the fuel pipe No. 1.
      1. Push in the quick connector to the pipe until it makes "click" sound.
        NOTE:
        • Check if there is any damage or foreign objects on the connected part.
        • After connecting, check if the connector and pipe are securely connected by pulling them.
      2. Install the EFI fuel pipe clamp.
    Fig 4: Connecting Fuel Pipe No. 1
    G04087521Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. INSTALL INTAKE AIR SURGE TANK (See  INSTALLATION  ) 
  6. INSTALL EMISSION CONTROL VALVE SET (See  INSTALLATION  ) 
  7. INSTALL AIR CLEANER CAP SUB-ASSEMBLY (See  INSTALLATION  ) 
  8. CHECK CONNECTION OF VACUUM HOSE (See  INSTALLATION  ) 
  9. ADD ENGINE COOLANT (See  COOLANT  ) 
  10. CHECK FOR ENGINE COOLANT LEAKS (See  COOLING SYSTEM  ) 
  11. CHECK FOR FUEL LEAKS (See  ON-VEHICLE INSPECTION  ) 
  12. INSTALL V-BANK COVER SUB-ASSEMBLY (See  INSTALLATION   ) 
  13. INSTALL COWL TOP PANEL SUB-ASSEMBLY OUTER (See  INSPECTION  ) 
  14. INSTALL WINDSHIELD WIPER LINK ASSEMBLY (See  INSTALLATION  ) 
  15. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY 
  16. INSTALL FRONT FENDER TO COWL SIDE SEAL RH 
  17. INSTALL FRONT FENDER TO COWL SIDE SEAL LH 
  18. INSTALL FR WIPER ARM RH (See  INSTALLATION  ) 
  19. INSTALL FR WIPER ARM LH (See  INSTALLATION  ) 
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.