REMOVAL

1.Remove front undercover. Refer to Exploded View.

2.Drain engine coolant. Refer to Draining.
■ CAUTION ■

- Perform this step when the engine is cold.
- Never spill engine coolant on drive belt.

3.Remove the following parts:

- Engine cover: Refer to Exploded View.
- Air duct and air cleaner case assembly (RH and LH): Refer to Exploded View.
- Intake manifold collector: Refer to Exploded View.
- Intake manifold: Refer to Exploded View.
- Reservoir tank: Refer to Exploded View (GT-R certified NISSAN dealer).
- Oil level gauge and guide: Refer to Exploded View (GT-R certified NISSAN dealer).

4.Remove radiator hose (upper) and water hose from water outlet (rear).

5.Remove water outlet (front) and water outlet pipe.

6.Remove air cut solenoid valve (bank 1 and bank 2). Refer to Exploded View (GT-R certified NISSAN dealer).

7.Disconnect engine coolant temperature sensor harness connector.

8.Separate engine harness, removing their bracket from water outlet (rear).

9.Remove water outlet tube mounting bolt [turbocharger (bank 1) side]. Refer to Exploded View.

10.Remove water outlet (rear).

11.Remove heater pipe.

12.Remove engine coolant temperature sensor if necessary.
■ CAUTION ■
Be careful not to damage engine coolant temperature sensor.

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

- Securely insert each hose, and install clamp at a position where it does not interfere with the pipe bulge.
  ■ CAUTION ■
  Replace water hose clamp if it is removed.
- When inserting water outlet pipe and water bypass pipe into water outlet, apply neutral detergent to O‐ring.
  ■ CAUTION ■
  Never allow water outlet (rear) to nip O‐rings when installing water outlet pipe.