REMOVAL ■ CAUTION ■ Perform the operation when the engine is cold.

1.Remove the front diffuser. Refer to Exploded View.

2.Remove the sub-muffler. Refer to Exploded View.

3.Remove the heat insulator.

4.Remove the water tube, water hose C and water hose D from the vehicle.

5.Remove the water outlet (rear) and heater pipe. Refer to Exploded View (GT-R certified NISSAN dealer).

6.Remove water hose A and water hose B from the water outlet (rear) and heater pipe.

7.Remove the clips from water hose A and water hose B.

INSTALLATION
Note the following, and install in the reverse order of removal.
■ CAUTION ■

- Never reuse clamps.
- The clip is not reusable. Never reuse it.
- Never reuse insulators.

- Install the clips to water hose A (1) and water hose B (2) with the paint mark (A) of hose in the direction shown in the figure.

  | : Front of vehicle

- Refer to the following table when installing the water hose.

  Water hose | Hose end (Paint shape / Color) | Direction of hose paint mark (Paint shape / Color) | Hose insertion amount | Direction of clamp tab
  Water hose A | Water outlet (rear) (— / —) | Rear of vehicle ( / Green) | Until it contacts a tube end | Rear of vehicle
  Water tube (□ / Green) | Right of vehicle (□ / Green) | Until it reaches the point where the winding radius stops | Right of vehicle
  Water hose B | Heater pipe (— / —) | Upside of vehicle ( / Yellow) | Until it contacts a tube end | Upside of vehicle
  Water tube (□ / Yellow) | Right of vehicle (□ / Yellow) | Until it reaches the point where the winding radius stops | Downside of vehicle
  Water hose C | Water tube (□ / Green) | Right of vehicle ( / Pink) | Until the tube insertion indication stops | Right of vehicle
  Heat exchanger (— / Green) | Right of vehicle (□ / Pink)
  Water hose D | Water tube (□ / Yellow) | Right of vehicle ( / Yellow) | Right of vehicle
  Heat exchanger (— / Blue) | Right of vehicle (□ / Yellow)

- Fill with the coolant after installation. Refer to Refilling.