steering NISSAN 350Z 2007 Z33 Automatic Air Conditioner Workshop Manual

ATC-112
HEATER & COOLING UNIT ASSEMBLY
Revision: 2006 November2007 350Z
HEATER & COOLING UNIT ASSEMBLYPFP:27110
Removal and InstallationNJS0001O
REMOVAL
1. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2. Drain coolant from cooling system. Refer to CO-10, "
Changing Engine Coolant" .
3. Remove cowl top cover. Refer to EI-20, "
COWL TOP" .
4. Disconnect one-touch joint between low-pressure pipe 1 (1) and
low-pressure pipe 2 (2) with disconnector (SST: 9253089916)
(A).
CAUTION:
Cap or wrap the joint of low-pressure pipe 1 and low-pres-
sure pipe 2 with suitable material such as vinyl tape to
avoid the entry of air.
5. Disconnect one-touch-joint between high-pressure pipe 1 (3)
and high-pressure pipe 2 (4) with disconnector (SST:
9253089908) (A).
CAUTION:
Cap or wrap the joint of high-pressure pipe 1 and high-pres-
sure pipe 2 with suitable material such as vinyl tape to avoid the entry of air.
6. Remove clamps (A), and then disconnect two heater hoses (1) from heater core.
7. Remove instrument panel. Refer to IP-10, "
INSTRUMENT PANEL ASSEMBLY" .
8. Remove blower unit. Refer to ATC-108, "
BLOWER UNIT" .
9. Remove clips of vehicle harness from steering member.
10. Remove mounting nuts and bolts, and then remove instrument stays (left and right).
11. Remove defroster nozzle and ventilator ducts. Refer to ATC-121, "
Removal of Defroster Nozzle, Ducts
and Ventilator Ducts" .
PJIA0176E
PJIA0177E
RJIA1418E

HEATER & COOLING UNIT ASSEMBLY
ATC-113
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2006 November2007 350Z
12. Remove mounting bolts from heater & cooling unit assembly.
13. Remove steering column assembly mounting nuts and bolt.
14. Remove steering member mounting bolts, and then remove steering member.
15. Remove heater & cooling unit assembly.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:

Replace O-rings of low-pressure pipe 2 and high-pressure pipe 1 with new ones, and then apply
compressor oil to it when installing it.

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 click is heard.

After piping connection is completed, pull male-side piping by hand to make sure that connection
does not come loose.

When recharging refrigerant, check for leaks.
NOTE:

When filling radiator with coolant, refer to CO-10, "Changing Engine Coolant" .

Recharge the refrigerant.
SJIA1221E
SJIA1222E
Heater & cooling unit assembly mounting bolts
: 6.9 N·m (0.7 kg-m, 61 in-lb)
Steering member and steering column assembly mounting nuts and bolt
: 12 N·m (1.2 kg-m, 9 ft-lb)

DUCTS AND GRILLES
ATC-121
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: 2006 November2007 350Z
Removal of Defroster Nozzle, Ducts and Ventilator Ducts
1. Remove instrument panel. Refer to IP-10, "INSTRUMENT PANEL ASSEMBLY" .
2. Remove mounting screws, and then remove side defroster duct 1 (left and right).
3. Remove steering member, and then remove defroster nozzle.
4. Remove mounting screws, and then remove side ventilator duct 1 (left and right) and center ventilator
duct from instrument panel.
5. Remove mounting screws, and then remove side defroster duct
2 (left and right).
SJIA1176E
RJIA1428E
RJIA1444E