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:
    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.