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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 ENGINE COVER 
    1. Remove the 2 nuts and engine cover.
    Fig 1: Removing Nuts
    G04221349Courtesy 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. Remove the wire harness clamp.
      Fig 2: Removing Wire Harness Clamp
      G04221350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the No. 2 ventilation hose from the cylinder head cover.
      Fig 3: Disconnecting No. 2 Ventilation Hose From Cylinder Head Cover
      G04221351Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Disconnect the purge line hose from the purge VSV.
      Fig 4: Disconnecting Purge Line Hose From Purge VSV
      G04221352Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Disconnect the purge line hose from the throttle body.
      Fig 5: Disconnecting Purge Line Hose From Throttle Body
      G04221353Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Lock the No. 1 air cleaner hose clamp, and then disconnect the No. 1 air cleaner hose from the throttle body.
      Fig 6: Disconnecting No. 1 Air Cleaner Hose From Throttle Body
      G04221354Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Unfasten the 2 hook clamps, and then remove the air cleaner cap.
      Fig 7: Removing Air Cleaner Cap
      G04221355Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Remove the air cleaner filter element from the air cleaner case.
      Fig 8: Removing Air Cleaner Filter Element
      G04221356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE THROTTLE BODY 
    1. Disconnect the water by-pass hose from the throttle body.
      Fig 9: Disconnecting Water By-Pass Hose From Throttle Body
      G04221357Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the No. 2 water by-pass hose from the throttle body.
      Fig 10: Disconnecting No. 2 Water By-Pass Hose From Throttle Body
      G04221358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the No. 1 throttle body hose from the throttle body.
      Fig 11: Disconnecting No. 1 Throttle Body Hose From Throttle Body
      G04221359Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the throttle position sensor and control motor connector.
    5. Remove the wire harness clamp.
    6. Remove the fuel tube from the clamp.
      Fig 12: Removing Fuel Tube From Clamp
      G04221360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the 4 bolts, and then remove the fuel pipe support and throttle body.
      Fig 13: Removing Bolts And Fuel Pipe Support And Throttle Body
      G04221361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the gasket from the intake manifold.
    Fig 14: Removing Gasket From Intake Manifold
    G04221362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002