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Home >> Lexus >> 2006 >> GS 300 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (3GR-FSE) - System And Circuit Testing, On-Vehicle Inspection, Removal, Inspection And Installation >> Throttle Body >> Removal

Throttle Body: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  2. REMOVE COOL AIR INTAKE DUCT SEAL 
    1. Using a clip remover, remove the 7 clips and duct seal.
      Fig 1: Identifying Cool Air Intake Duct Seal
      G04018080Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ENGINE UNDER COVER 
    1. Using a clip remover, remove the 3 clips.
    2. Remove the 10 screws and under cover.
  4. DRAIN ENGINE COOLANT (See  ON-VEHICLE INSPECTION  ) 
    Fig 2: Identifying Engine Under Cover
    G04018066Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE ENGINE ROOM SIDE COVER RH 
    1. Loosen the nut and remove the 2 clips and side cover.
      Fig 3: Identifying Engine Room Side Cover RH
      G04018082Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE V-BANK COVER 
    1. Remove the 2 nuts and V-bank cover.
      Fig 4: Identifying V-Bank Cover
      G04018083Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. DISCONNECT NO. 2 VENTILATION HOSE 
    1. Disconnect the ventilation hose from the cylinder head.
      Fig 5: Locating Ventilation Hose To Cylinder Head Cover
      G04018097Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE 
    1. Disconnect the MAF meter connector.
    2. Disconnect the clamp from the air cleaner.
      Fig 6: Identifying Clamp From Air Cleaner
      G04018085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the VSV (for EVAP).
      Fig 7: Identifying VSV (For EVAP)
      G04018086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the 4 clamps.
    5. Remove the hose clamp and air cleaner cap with air cleaner hose.
      Fig 8: Identifying Air Cleaner Cap With Air Cleaner Hose
      G04018087Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  9. REMOVE WATER BYPASS HOSE 
    1. Disconnect the 2 water bypass hoses from the throttle body.
      Fig 9: Identifying Water By-Pass Hose
      G04018088Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. REMOVE THROTTLE BODY 
    1. Disconnect the throttle motor connector.
    2. Remove the 4 bolts, throttle body and gasket.
      Fig 10: Identifying Throttle Body
      G04018089Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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