3UR-FE Engine unit - Installation

Install the 2 noise filters to the cylinder head cover with the 2 bolts.

Torque:

7.0 N*m{ 71 kgf*cm , 62 in.*lbf }

Install the 8 ignition coils with the 8 bolts.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Install the mounting bracket with the 4 bolts.

Torque:

35 N*m{ 357 kgf*cm , 26 ft.*lbf }

Install the mounting bracket with the 4 bolts.

Torque:

35 N*m{ 357 kgf*cm , 26 ft.*lbf }

Apply adhesive to 2 or 3 threads of the drain cocks.

Adhesive:

Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent

Install the water drain cocks as shown in the illustration.

Torque:

30 N*m{ 306 kgf*cm , 22 ft.*lbf }

NOTICE:

1. Do not rotate the drain cocks more than 1 revolution (360°) after tightening the drain cocks to the specified torque.
2. Do not loosen the drain cocks to adjust them. If an adjustment is necessary, remove the drain cocks and reinstall them.

Install the water drain cock plugs to the water drain cocks.

Torque:

13 N*m{ 133 kgf*cm , 10 ft.*lbf }

Install the 4 sensors with the 4 bolts so that the sensors are angled as shown in the illustration.

Torque:

20 N*m{ 204 kgf*cm , 15 ft.*lbf }

NOTICE:

The acceptable installation angle of the sensor is between 10° upward and downward from the horizontal position.

After inserting the pipe on the rear of the separator case into the oil return pipe and the pipe on the front into the ventilation pipe, temporarily install bolt A.

Temporarily install bolt B and tighten bolt A.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Install the bolts labeled C.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Tighten bolt B.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Standard Bolt:

Connect the 3 clamps and 4 knock sensor connectors.

Install the water by-pass pipe with the 2 bolts.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Install a new gasket to the timing chain cover.

Install the water inlet with the 3 bolts.

Torque:

21 N*m{ 214 kgf*cm , 15 ft.*lbf }

Install 2 new gaskets and the water by-pass joint with the 4 nuts.

Torque:

21 N*m{ 214 kgf*cm , 15 ft.*lbf }

Connect the No. 2 water by-pass hose to the water by-pass joint.

Install the No. 1 water by-pass hose by connecting the hose to the water inlet housing and front water by-pass joint.

Connect the 4 hoses.

Install the water by-pass pipe with the 3 bolts.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Install the No. 2 fuel tube with the 2 bolts.

Torque:

10 N*m{ 102 kgf*cm , 7 ft.*lbf }

Place 2 new gaskets on the intake manifold.

Place the intake manifold on the cylinder head.

Install and uniformly tighten the 8 bolts and 2 nuts in several steps.

Torque:

21 N*m{ 214 kgf*cm , 15 ft.*lbf }

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

Torque:

8.0 N*m{ 82 kgf*cm , 71 in.*lbf }

Connect the No. 1 ventilation hose.

Connect the 2 water by-pass hoses.

Connect the ventilation hose to the ventilation pipe of the cylinder head cover LH and RH.

Attach the 3 clamps to install the No. 6 wire harness to the delivery pipe RH.

Attach the 3 clamps to install the No. 7 wire harness to the delivery pipe LH.

Apply gasoline or spindle oil to a new O-ring and install it to the injector.

NOTICE:

Make sure that there is no damage or foreign material in the groove of the injector when installing the O-ring.

Connect the injector connector.

Install the injector to the delivery pipe as shown in the illustration.

NOTICE:

1. Make sure that there are no scratches or foreign matter in or around the insertion hole of the delivery pipe.
2. When inserting the injector, be careful not to damage the O-ring.
3. Attach the part of the injector labeled B between the parts of the delivery pipe labeled A.

Check that each injector is installed to the delivery pipe facing the direction shown in the illustration.

Install the 2 delivery pipe spacers and 4 insulators to the cylinder head RH.

Install the delivery pipe (with injectors) to the cylinder head RH.

Install the 2 bolts.

Torque:

21 N*m{ 214 kgf*cm , 15 ft.*lbf }

NOTICE:

Make sure that the part of the injector labeled B is between the parts of the delivery pipe labeled A.

Connect the No. 6 wire harness connector.

Connect the ventilation hose.

Install the 2 delivery pipe spacers and 4 insulators to the cylinder head LH.

Install the delivery pipe (with injectors) to the cylinder head LH.

Install the 2 bolts.

Torque:

21 N*m{ 214 kgf*cm , 15 ft.*lbf }

NOTICE:

Make sure that the part of the injector labeled B is between the parts of the delivery pipe labeled A.

Connect the No. 7 wire harness connector.

LH Side:

Connect the No. 1 fuel tube to the delivery pipe LH .

Connect the No. 1 fuel tube to the delivery pipe RH (for metallic type) .

Connect the No. 2 fuel tube to the fuel pressure regulator .

Install the fuel hose .

Install the engine wire.

Engine Rear Side:

1. Install the 3 bolts as shown in the illustration.

   Torque:

   8.5 N*m{ 87 kgf*cm , 75 in.*lbf }

2. Connect the 5 clamps.

3. Connect the sensor wire connector.

Engine RH Side:

1. Connect the 9 clamps.

2. Connect the oil pressure sender gauge connector.

3. Connect the throttle sensor connector.

4. Connect the noise filter connector.

5. Connect the fuel injector connector.

6. Connect the 2 VVT sensor connectors.

   HINT:

   The wire harnesses on the exhaust side are wrapped with white tape.

7. Connect the 4 ignition coil connectors.

8. Connect the 2 camshaft timing control valve connectors.

   HINT:

   The wire harnesses on the exhaust side are wrapped with white tape.

Engine LH Side:

1. Connect the 7 clamps and install the engine wire with the bolt.

   Torque:

   20 N*m{ 204 kgf*cm , 15 ft.*lbf }

2. Connect the noise filter connector.

3. Connect the fuel injector connector.

4. Connect the engine coolant temperature sensor connector.

5. Connect the purge VSV connector.

6. Connect the vacuum switching valve connector (for ACIS).

7. Connect the camshaft position sensor connector.

8. Connect the 2 VVT sensor connectors.

   HINT:

   The wire harnesses on the exhaust side are wrapped with white tape.

9. Connect the 4 ignition coil connectors.

10. Connect the 2 camshaft timing control valve connectors.

    HINT:

    The wire harnesses on the exhaust side are wrapped with white tape.