Installation [10/2022 - 08/2023]: Procedure

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Exhaust Pipe Gas Control Actuator	-	-
   *a	O-ring	*b	Piston

   1. Clean the installation surfaces and bolt holes of the exhaust pipe gas control actuator sub-assembly and front exhaust pipe assembly (TWC: Rear Catalyst).
      NOTE:

      Make sure no foreign matter enters the exhaust pipe gas control actuator sub-assembly and front exhaust pipe assembly (TWC: Rear Catalyst).

   2. Apply clean engine coolant to the O-ring.
      NOTE:

      Check that the O-ring is not deformed, cracked or swollen.

   3. Install the exhaust pipe gas control actuator.
      NOTE:

      • When installing the exhaust pipe gas control actuator, do not push on the piston.
      • Make sure that the exhaust pipe gas control actuator is free of oil.

2. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Exhaust Pipe Gas Control Actuator Gasket	*2	Exhaust Pipe Gas Control Actuator Sub-assembly
   *a	Protective Tape	*b	Exhaust Gas Control Valve

   1. Using a screwdriver with its tip wrapped with protective tape, secure the exhaust gas control valve in the open position as shown in the illustration.
   2. Install a new exhaust pipe gas control actuator gasket and the exhaust pipe gas control actuator sub-assembly with the 2 bolts.

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

      NOTE:

      • Check that the O-ring is not deformed, cracked or swollen.
      • Make sure that the exhaust pipe gas control actuator gasket and exhaust pipe gas control actuator sub-assembly are free of oil.

3. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	Outlet Heater Water Hose D	*2	Inlet Heater Water Hose D
   *a	No. 2 Outlet Water Pipe	*b	Inlet Water Pipe

   1. Connect the outlet heater water hose D and inlet heater water hose D to the No. 2 outlet water pipe and inlet water pipe and slide the 2 clips to secure them.
      NOTE:

      When installing the outlet heater water hose D and inlet heater water hose D, ensure that the exhaust heat recirculation system is filled with coolant. Otherwise, the engine water pump assembly may be damaged.

Refer to PROCEDURE - Step 5

Refer to PROCEDURE - Step 1

Refer to PROCEDURE - Step 67

Refer to PROCEDURE - Step 69

Refer to PROCEDURE - Step 68