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Throttle Body: Removal

  1. DRAIN ENGINE COOLANT (See  COOLANT  ) 
  2. 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.
  3. REMOVE NO. 1 ENGINE COVER 
    1. Remove the 2 nuts and engine cover.
      Fig 1: Removing No. 1 Engine Cover
      G04484105Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE AIR CLEANER CAP 
    1. Disconnect the mass air flow meter connector.
    2. Disconnect the purge VSV connector.
    3. Disconnect the 4 wire harness clamps.
      Fig 2: Disconnecting Wire Harness Clamps
      G04484106Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the No. 2 ventilation hose from the air cleaner hose.
    5. Disconnect the purge line hose from the clamp.
      Fig 3: Disconnecting Purge Line Hose From Clamp
      G04484107Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Lock the No. 1 air cleaner hose clamp, and then disconnect the No. 1 air cleaner hose from the throttle body.
      Fig 4: Locking No. 1 Air Cleaner Hose Clamp
      G04484108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Unfasten the 2 hook clamps, and then remove the air cleaner cap.
    8. Remove the air cleaner filter element from the air cleaner case.
      Fig 5: Removing Air Cleaner
      G04484109Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE THROTTLE BODY 
    1. Disconnect the purge line hose from the throttle body.
    2. Disconnect the water by-pass hose from the throttle body.
    3. Disconnect the No. 2 water by-pass hose from the throttle body.
    4. Disconnect the No. 1 throttle body hose from the throttle body.
    5. Disconnect the throttle position sensor and control motor connector.
      Fig 6: Disconnecting Purge Line Hose From Throttle Body
      G04484110Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disconnect the wire harness clamp.
    7. Disconnect the fuel tube from the clamp.
    8. Remove the 4 bolts, and then remove the fuel pipe support and throttle body.
      Fig 7: Removing Fuel Pipe Support And Throttle Body
      G04484111Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Remove the gasket from the intake manifold.
      Fig 8: Removing Gasket From Intake Manifold
      G04484112Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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