Installation [10/2020 - ]: Procedure

1. Set the EGR valve assembly to the camshaft housing.

   HINT: 

   At this time, do not install the parts with bolts.

2. Install the No. 4 water by-pass hose to the EGR valve assembly and slide the clip to secure it.
3. Connect the No. 8 water by-pass hose to the EGR valve assembly and slide the clip to secure it.

1. Install a new EGR cooler gasket to the EGR cooler assembly.
   NOTE:

   Make sure that the claws of the EGR cooler gasket are toward the EGR cooler assembly side.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a

   Claw

2. Install a new EGR valve gasket to the EGR cooler assembly.
   NOTE:

   Make sure that the claws of the EGR valve gasket are toward the EGR cooler assembly side.

3. Type A:
   Fig 1: EGR Cooler Assembly Bolts And Nuts Tightening Sequence

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Bolt or Nut

   1. Temporarily install the EGR cooler assembly to the cylinder head sub-assembly and EGR valve assembly with the 3 bolts and 2 nuts.
   2. Tighten the 3 bolts and 2 nuts in the order shown in the illustration.

      Torque: 24 N*m (245 kgf*cm, 18 ft.*lbf) 

4. Type B:
   1. Temporarily install the EGR cooler assembly to the cylinder head sub-assembly and EGR valve assembly with the 2 bolts and 3 nuts.
   2. Tighten the 2 bolts and 3 nuts in the order shown in the illustration.

      Torque: 24 N*m (245 kgf*cm, 18 ft.*lbf) 

5. Connect the No. 3 water by-pass hose and No. 4 water by-pass hose to the EGR cooler assembly and slide the 2 clips to secure them.

1. Using an 8 mm socket wrench, install the EGR valve assembly to the camshaft housing with the 2 bolts.

   Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

1. Install a new EGR inlet gasket to the intake manifold.
2. Install a new EGR valve adapter gasket to the No. 1 EGR pipe sub-assembly.
3. Using an 8 mm socket wrench, install the No. 1 EGR pipe sub-assembly to the intake manifold and EGR valve assembly with the 4 bolts.

   Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

1. Engage the 2 wire harness clamps to connect the engine wire.
2. Install the bolt.

   Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) 

3. Connect the EGR valve assembly connector.
4. Connect the No. 5 engine wire connector.

Refer to PROCEDURE - Step 3

Refer to PROCEDURE - Step 50

Refer to PROCEDURE - Step 2

Refer to PROCEDURE - Step 1

Refer to PROCEDURE - Step 11