Knock Sensor, Intake Manifold (2UZ-FE): Replacement

1. Remove the 2 nuts and V-bank cover sub-assy.

1. Disconnect the vacuum hoses (for the power steering idle-up and fuel pressure regulator) and ventilation hose.
2. Remove the air cleaner hose assy.

1. Disconnect the throttle control connector.
2. Disconnect the VSV connector for EVAP.
3. Disconnect the 8 injector connectors.
4. Disconnect the ECT sensor connector.
5. Disconnect the 2 VSV connectors for the air injection system.
6. Disconnect the 8 ignition coil connectors.
7. Disconnect the 2 air fuel ratio sensor connectors.

1. Disconnect the vacuum hose from the fuel pressure regulator.
2. Disconnect the PCV hose from the PCV valve on the LH cylinder head.
3. Disconnect the EVAP hose (from the charcoal canister) from the VSV for the EVAP.
4. Disconnect the 2 vacuum hoses from the VSV for the air injection system.
   Fig 1: Disconnecting Hoses From Intake Manifold

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the 2 water by-pass hoses from the throttle body.
   Fig 2: Disconnecting Water By-Pass Hoses From Throttle Body

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the 2 wire clamps from the wire clamp bracket on the RH delivery pipe.
   Fig 3: Disconnecting Wire Clamps

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3. Remove the bolt and nut holding the engine wire protector from the intake manifold and cylinder head.
   Fig 4: Removing Engine Wire Protector Bolt And Nut

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Remove the 2 bolts and ground cables from the RH and LH cylinder heads.
5. Remove the bolt and V-bank cover bracket from the intake manifold.
6. Disconnect the engine wire from the engine hanger and wire bracket.
   Fig 5: Disconnecting Engine Wire

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Remove the bolt and wire bracket from the intake manifold.
8. Remove the 6 bolts, 4 nuts, intake manifold assy and 2 gaskets.
   Fig 6: Removing Intake Manifold Assy

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1. Disconnect the 2 knock sensor connectors.
2. Remove the 2 nuts and 2 knock sensors.
   Fig 7: Removing Knock Sensors

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1. Install the 2 knock sensors with the 2 nuts as shown in Fig 8.

   20 N.m (204 kgf.cm, 15 ft.lbf) 

2. Connect the 2 knock sensor connectors.
   Fig 8: Installing Knock Sensors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Place 2 new gaskets on the intake manifold.
   Fig 9: Placing New Gaskets On Intake Manifold

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Place the intake manifold on the cylinder heads.
3. Install and uniformly tighten the 6 bolts and 4 nuts in several steps.

   18 N.m (185 kgf.cm, 13 ft.lbf) 

   Fig 10: Installing Intake Manifold Bolts & Nuts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the V-bank cover bracket to the intake manifold.

   7.5 N.m (76 kgf.cm, 66 in.lbf) 

5. Install the wire bracket to the intake manifold with the bolt.

   7.5 N.m (76 kgf.cm, 66 in.lbf) 

6. Connect the engine wire to the engine hanger and wire bracket.
   Fig 11: Connecting Engine Wire To Engine Hanger & Wire Bracket

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Connect the wire protector to the intake manifold and cylinder heads with the bolt and nut.
8. Install the 2 ground cables with the 2 bolts to the RH and LH cylinder heads.
   Fig 12: Connecting Wire Protector To Intake Manifold

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. Connect the 2 water by-pass hoses to the throttle body.
   Fig 13: Connecting Water By-Pass Hoses To Throttle Body

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. Connect the 2 wire clamps to the wire clamp bracket on the RH delivery pipe.
    Fig 14: Connecting Wire Clamps To Wire Clamp Bracket

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the vacuum hose to the fuel pressure regulator.
2. Connect the PCV hose to the PCV valve on the LH cylinder head.
3. Connect the EVAP hose (from the charcoal canister) to the VSV for EVAP.
4. Connect the 2 vacuum hoses to the VSV for the air injection system.
   Fig 15: Connecting Hoses From Intake Manifold

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Connect the throttle control connector.
2. Connect the 2 VSV connectors for the air injection system.
3. Connect the VSV connector for the EVAP.
4. Connect the 8 injector connectors.
5. Connect the ECT sensor connector.
6. Connect the 8 ignition coil connectors.
7. Connect the 2 air fuel ratio sensor connectors.

Torque: 7.5 N.m (80 kgf.cm, 66 in.lbf)