REMOVAL

1.Use a refrigerant collecting equipment (for HFC‐134a) to discharge the refrigerant.

2.Drain engine coolant from cooling system. Refer to Draining.

3.Remove cowl top cover. Refer to Exploded View.

4.Remove engine cover. Refer to Exploded View.

5.Remove air pump hose from air pump pipe. Refer to Exploded View (GT-R certified NISSAN dealer).

6.Disconnect one-touch joint between low‐pressure pipe 1 (1) and low‐pressure flexible hose with disconnector (SST: 9253089916) (A).
■ CAUTION ■
Cap or wrap the joint of the cooler piping with suitable material such as vinyl tape to avoid the entry of air.

7.Disconnect one-touch joint between high‐pressure pipe 2 (2) and high‐pressure pipe 3 with disconnector (SST: 9253089908).
■ CAUTION ■
Cap or wrap the joint of the cooler piping with suitable material such as vinyl tape to avoid the entry of air.

8.Disconnect drain hose from heater & cooling unit assembly.

9.Remove clamps (A), and then disconnect heater hoses (1).

10.Remove front wiper drive assembly. Refer to Exploded View.

11.Remove steering member mounting bolts (A).

12.Remove instrument panel assembly. Refer to Exploded View.

13.Remove front defroster nozzle. Refer to Exploded View.

14.Remove blower unit. Refer to Exploded View.

15.Remove mounting bolt (A), and then remove brake pedal stay (1).

16.Remove mounting bolts (A), and then remove SMJ from steering member (1).

17.Remove mounting bolts (B) from steering member.

18.Remove Low tire pressure warning control unit. Refer to Exploded View (GT-R certified NISSAN dealer).

19.Remove ground bolts from steering member.

20.Remove steering column from steering member, and the move steering column to the position without the hindrance for work. Refer to Exploded View.

21.Disconnect the harness connectors and clips required to remove the steering member, and the move the vehicle harness to the position without hindrance for work.

22.Remove door assembly LH and RH. Refer to Exploded View.

23.Remove mounting bolts (A) from steering member (1).

24.Remove steering member, and then remove heater & cooling unit assembly.

INSTALLATION
Installation is basically the reverse order of removal.
■ CAUTION ■

- Replace O‐rings with new ones. Then apply compressor oil to them when installing.
- Female‐side piping connection is thin and easy to deform. Slowly insert the male‐side piping straight in axial direction.
- Insert piping securely until a clicks is heard.
- After piping connection is completed, pull male‐side piping by hand to make sure that connection does not come loose.
- Check for leakages when recharging refrigerant.

NOTE：

- Refer to Refilling when filling radiator with engine coolant.
- Recharge the refrigerant.

STEERING MEMBER
Tighten mounting bolts in numerical order as shown in the figure.