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Home >> Lexus >> 2010 >> IS 250C Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control (Service Information) >> Throttle Body >> Removal >> Removal

Throttle Body: Removal: Removal

  1. REMOVE COOL AIR INTAKE DUCT SEAL  . Refer to REMOVAL - Step 1
  2. REMOVE ENGINE UNDER COVER 
  3. DRAIN ENGINE COOLANT  . Refer to REPLACEMENT - Step 5
  4. REMOVE ENGINE ROOM SIDE COVER  . Refer to REMOVAL - Step 3
  5. REMOVE V-BANK COVER SUB-ASSEMBLY  . Refer to REMOVAL - Step 4
  6. DISCONNECT NO. 2 VENTILATION HOSE 
    1. Disconnect the ventilation hose from the cylinder head.
      Fig 1: Identifying Ventilation Hose
      GTY123202Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the MAF meter connector.
      Fig 2: Identifying MAF Meter Connector
      GTY101638Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the clamp from the air cleaner.
    3. Disconnect the VSV hose.
      Fig 3: Identifying VSV Hose
      GTY145252Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the 4 clamps.
      Fig 4: Identifying Hose Clamp And Air Cleaner Cap With Air Cleaner Hose
      GTY142076Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the hose clamp and air cleaner cap with air cleaner hose.
  8. REMOVE THROTTLE BODY 
    1. Disconnect the throttle motor connector.
      Fig 5: Identifying Throttle Body Bolts
      GTY141755Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 4 bolts and disconnect the throttle body from the intake air surge tank.
    3. Disconnect the 2 water by-pass hoses from the throttle body.
      Fig 6: Identifying Water By-Pass Hoses
      GTY101111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the throttle body and gasket.