Throttle Body: Removal

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE ENGINE UNDER COVER
DRAIN ENGINE COOLANT (See COOLANT )
REMOVE V-BANK COVER SUB-ASSEMBLY (See REMOVAL )
REMOVE AIR CLEANER CAP SUB-ASSEMBLY
1. Loosen the 2 hose clamps and separate the 2 ventilation hoses
  
  Fig 1: Locating Ventilation Hoses And Hose Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the mass air flow meter connector and separate the wire harness clamp.
  
  Fig 2: Locating Mass Air Flow Meter Connector And Wire Harness Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Loosen the hose clamp and separate the air cleaner hose.
  
  Fig 3: Locating Air Cleaner Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Unlock the 2 clamps and remove the air cleaner cap sub-assembly.
  
  Fig 4: Locating Air Cleaner Cap Sub-Assembly Clamps
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE THROTTLE BODY ASSEMBLY
1. Disconnect the throttle body connector.
  
  Fig 5: Locating Throttle Body Connector
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Loosen the hose clamp and separate the No. 5 water by-pass hose
  
  Fig 6: Locating Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Loosen the hose clamp and separate the No. 4 water by-pass hose.
  
  Fig 7: Locating Hose Clamp
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 2 bolts and 2 nuts
  
  Fig 8: Locating Throttle Body Assembly Bolts And Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
5. Using a "TORX" socket E6, remove the 2 stud bolts and throttle body assembly.
  NOTE: Do not damage the water hoses when removing the throttle body assembly.
  
  Fig 9: Locating Throttle Body Assembly Stud Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Remove the 2 water by-pass hoses