LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> RX 350 FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection & Installation >> Throttle Body >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Body: Installation

  1. INSTALL THROTTLE BODY 
    1. Install a new throttle body gasket to the intake air surge tank.
      Fig 1: Identifying Recess
      G04973894Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the throttle body with the 4 bolts.

      Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

      Fig 2: Locating Bolts On Throttle Body
      G04973892Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Connect the 2 water by-pass hoses.
      Fig 3: Locating Water By-Pass Hoses On Throttle Body
      G04973891Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the throttle body connector and clamp.
    5. Fig 4: Locating Throttle Body Connector And Clamp
      G04973890Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL AIR CLEANER CASE SUB-ASSEMBLY  (See INSTALLATION )
  3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY 
    1. Install the air cleaner cap sub-assembly with the 2 bolts.
      Fig 5: Locating Bolts On Air Cleaner Cap Sub-Assembly
      G05136360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the the vacuum hose (EVAP) to the air cleaner hose.
    3. Install the ventilation hose No. 2 and air cleaner hose band.
      Fig 6: Locating No. 2 Ventilation Hose And Air Cleaner Hose Band
      G05136359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Connect the 3 vacuum hoses.
    5. Fig 7: Locating Vacuum Hoses
      G05136358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSTALL NO. 1 AIR CLEANER INLET  (See INSTALLATION )
  5. INSTALL NO. 2 AIR CLEANER INLET  (See INSTALLATION )
  6. ADD ENGINE COOLANT  (See ON-VEHICLE INSPECTION )
  7. INSPECT FOR COOLANT LEAK  (See ON-VEHICLE INSPECTION )
  8. INSTALL COWL TOP OUTER PANEL SUB-ASSEMBLY (See  INSTALLATION   ) 
  9. INSTALL V-BANK COVER SUB-ASSEMBLY  (See INSTALLATION )
  10. INSTALL COWL TOP OUTER PANEL SUB-ASSEMBLY (See  INSTALLATION   ) 
  11. INSTALL WINDSHIELD WIPER LINK ASSEMBLY 

    HINT:

    (See INSTALLATION )