2006 Lexus RX 330 AWDFACTORY OEM SERVICE PROCEDURE

Throttle Body: Installation

  1. INSTALL THROTTLE BODY ASSEMBLY 
    1. Install a new gasket to the intake air connector.
    2. TMC Made
      1. Install the throttle body with the 4 bolts.

      Torque: 11 N*m (112 kgf*cm, 8 ft.*lbf) 

      Fig 1: Installing Throttle Body With Bolts (TMC Made)
      G04087503Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. TMMWV Made
      1. Install the throttle body with the 2 bolts and 2 nuts.

      Torque: 11 N*m (112 kgf*cm, 8 ft.*lbf) 

      Fig 2: Installing Throttle Body With Bolts (MWV Made)
      G04087504Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the water by-pass hose No. 3.
    5. Connect the water by-pass hose No. 2.
    6. Connect the throttle motor connector.
    Fig 3: Connecting Throttle Motor Connector
    G04087505Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL INTAKE AIR RESONATOR 
  3. INSTALL AIR CLEANER ASSEMBLY (See  INSTALLATION  ) 
  4. INSTALL AIR CLEANER INLET NO. 2 (See  INSTALLATION  ) 
  5. CHECK CONNECTION OF VACUUM HOSE (See  INSTALLATION  ) 
  6. ADD ENGINE COOLANT (See  COOLANT  ) 
  7. CHECK FOR ENGINE COOLANT LEAKS (See  ON-VEHICLE INSPECTION  ) 
  8. INSTALL V-BANK COVER SUB-ASSEMBLY 
    1. Fit the 2 retainers and install the V-bank cover.
    2. Using a socket hexagon wrench 5, tighten the 3 nuts.

    Torque: 7.9 N*m (81 kgf*cm, 70 in.*lbf) 

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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