Throttle Body ASSY (1ZZ-FE): Replacement

1. Remove the 2 nuts and 2 clips, then remove the cylinder head cover No. 2.

Fig 1: Removing 2 Nuts And 2 Clips And Cylinder Head Cover No.2

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1. Disconnect the mass air flow meter connector.
2. Disconnect the VSV connector.
3. Remove the 2 wire harness clamps.
   Fig 2: Disconnecting Mass Air Flow Meter Connector

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4. Disconnect the fuel vapor feed hose No. 1 from the VSV.
5. Disconnect the fuel vapor feed hose No. 3 from the VSV.
   Fig 3: Disconnecting Fuel Vapor Feed Hose

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6. Disconnect the ventilation hose No. 1 from the cylinder head cover.
   Fig 4: Disconnecting Ventilation Hose No 1 From Cylinder Head Cover

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7. Loosen the hose clamp bolt, then disconnect air cleaner hose No. 1.
   Fig 5: Loosening Hose Clamp Bolt, And Disconnecting Air Cleaner Hose No.1

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8. Remove the air cleaner cap together with the air cleaner hose.

Fig 6: Removing Air Cleaner Cap Together With Air Cleaner Hose

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1. Disconnect the throttle control motor connector.
   Fig 7: Disconnecting Throttle Control Motor Connector

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2. Disconnect the water by-pass hose from the throttle body.
3. Disconnect the water by-pass hose No. 2 from the throttle body.
   Fig 8: Disconnecting Water By-Pass Hose No. 2 From Throttle Body

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4. Remove the 2 bolts and 2 nuts, then remove the throttle body.
   Fig 9: Removing 2 Bolts And 2 Nuts And Throttle Body

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5. Remove the gasket from the intake manifold.

Fig 10: Removing Gasket From Intake Manifold

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1. Install a new gasket onto the intake manifold.
   Fig 11: Installing New Gasket Onto Intake Manifold

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2. Install the throttle body with the 2 bolts and 2 nuts.

   Torque: 9.0 N.m (90 kgf.cm, 80 in..lbf) 

   Fig 12: Installing Throttle Body With 2 Bolts And 2 Nuts

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3. Connect the water by-pass hose No. 2 to the throttle body.
4. Connect the water by-pass hose to the throttle body.
   Fig 13: Connecting Water By-Pass Hose No. 2 To Throttle Body

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5. Connect the throttle control motor connector.

Fig 14: Connecting Throttle Control Motor Connector

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1. Install the air cleaner cap together with the air cleaner hose.
   Fig 15: Installing Air Cleaner Cap Together With Air Cleaner Hose

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2. Tighten the hose clamp bolt, then connect the air cleaner hose.

   Torque: 2.0 N.m (20 kgf.cm, 18 in..lbf) 

   Fig 16: Tightening Hose Clamp Bolt And Connecting Air Cleaner Hose

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3. Connect the ventilation hose No. 1 to the cylinder head cover.
   Fig 17: Connecting Ventilation Hose No. 1 To Cylinder Head Cover

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4. Connect the fuel vapor feed hose No. 3 to the VSV.
5. Connect the fuel vapor feed hose No. 1 to the VSV.
   Fig 18: Connecting Fuel Vapor Feed Hose

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6. Install the 2 wire harness clamps.
7. Connect the VSV connector.
8. Connect the mass air flow meter connector.

Fig 19: Connecting Mass Air Flow Meter Connector

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Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf) 

1. Install the cylinder head cover No. 2 with the 2 nuts and 2 clips.

Torque: 7.0 N.m (71 kgf.cm, 62 in..lbf) 

Fig 20: Installing Cylinder Head Cover No. 2 With 2 Nuts And 2 Clips

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