REMOVAL ■ CAUTION ■ Be careful because the heat exchanger unit and transmission oil are hot during work.

1.Remove the main muffler. Refer to Exploded View.

2.Remove the heat insulator.

3.Remove water hose C and water hose D from the heat exchanger. Refer to Exploded View (GT-R certified NISSAN dealer).

4.Remove the heat exchanger (1).

| : Bolt

5.Remove O-rings (1) and (2) from the heat exchanger.

6.Remove the heat exchanger bracket (1) from the transmission assembly.

| : Bolt

7.Remove O-ring (1) from the heat exchanger bracket.

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

- Never reuse O-ring.
- Apply the transmission oil to O-ring when the O-ring is installed to the heat exchanger.

- Temporally tighten the mounting bolt, and then tighten it to the specified torque in the order shown in the figure when installing the heat exchanger bracket to the transmission assembly.
- Install the heat exchanger so that the spring washer (1) is positioned as shown in the figure.

  2 | : Plane washer

  ■ CAUTION ■
  Never reuse spring washer.
- Tighten the heat exchanger mounting bolt under the condition that the heat exchanger is fitted with the stopper (A) of heat exchanger bracket.
- Fill with the transmission oil to the transmission assembly after installation. Refer to Filling.