Knock Sensor: Replacement

1. Disconnect the fuel pipe sub-assy No. 2 from the fuel main tube (See PRECAUTION ).
2. Disconnect the VSV connector for EVAP.
3. Disconnect the EVAP hose from the VSV for EVAP.
4. Remove the bolt, disconnect the VSV for EVAP from the upper intake manifold.
5. Remove the bolt and V-bank cover bracket No. 2.
6. Remove the bolt and V-bank cover bracket No. 3.
   Fig 1: Removing Intake Manifold Assy Components (1 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Disconnect the VSV connector for IAC Valve.
8. Remove the bolt and V-bank cover bracket No. 1.
9. Remove the bolt and V-bank cover bracket No. 4.
   Fig 2: Removing Intake Manifold Assy Components (2 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. Remove the 4 bolts, and disconnect the engine wire protector (LH side) from upper intake manifold and camshaft bearing cap.
11. Disconnect the 2 wire clamps on the engine wire (RH side) from the brackets on the RH delivery pipe.
12. Remove the 2 bolts, and disconnect the engine wire protector (rear side) from the rear water by-pass joint and RH cylinder head.
    Fig 3: Removing Intake Manifold Assy Components (3 Of 3)

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
13. Disconnect the 8 injector connectors.
14. Remove the 6 bolts, 4 nuts, the upper and lower intake manifolds assembly and 2 gaskets.
    Fig 4: Removing Upper And Lower Intake Manifolds Assembly Bolts And Nuts

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the 2 knock sensor connectors.
2. Remove the 2 nuts and 2 knock sensors.
   Fig 5: Removing Knock Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the 2 knock sensors with the 2 nuts, as shown in the illustration.

   Torque: 20 N.m (204 kgf.cm, 15 ft.lbf) 

2. Connect the 2 knock sensor connectors.
   Fig 6: Installing Knock Sensor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Place 2 new gaskets on the cylinder heads with the white mark facing outward.
   NOTE: Be careful of the installation direction.
   Fig 7: Identifying White Mark On Cylinder Heads

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the upper and lower intake manifolds assembly with the 6 bolts and 4 nuts.

   Torque: 18 N.m (185 kgf.cm, 13 ft.lbf) 

3. Connect the 8 injector connectors.
   Fig 8: Installing Upper And Lower Intake Manifolds Assembly Nuts And Bolts

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the engine wire protector (rear side0 with the 2 bolts.
5. Install the engine wire protector (LH side) with the 4 bolts.
6. Install the 2 wire clamps on the engine wire (RH side) to the brackets on the RH delivery pipe.
   Fig 9: Installing Intake Manifold Assy Components (1 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Install the V-bank cover bracket No. 4 with bolt.

   Torque: 7.5 N.m (76.5 kgf.cm, 66 in.lbf) 

8. Install the V-bank cover bracket No. 1 with bolt.

   Torque: 7.5 N.m (76.5 kgf.cm, 66 in.lbf) 

9. Connect the VSV connector for IAC Valve.
   Fig 10: Installing Intake Manifold Assy Components (2 Of 3)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
10. Install the V-bank cover bracket No. 3 with bolt.

    Torque: 7.5 N.m (76.5 kgf.cm, 66 in.lbf) 

11. Install the V-bank cover bracket No. 2 with bolt.

    Torque: 7.5 N.m (76.5 kgf.cm, 66 in.lbf) 

12. Connect the VSV for EVAP to the intake manifold with the bolt.

    Torque: 7.5 N.m (76.5 kgf.cm, 66 in.lbf) 

13. Connect the EVAP hose to the VSV for EVAP.
14. Connect the VSV connector for EVAP.
    Fig 11: Installing Intake Manifold Assy Components (3 Of 3)

    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
15. Connect the fuel pipe sub-assy No. 2 to the fuel main tube (See PRECAUTION ).

Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)