Nissan Pathfinder (2005 year). Manual - part 61
HEATER & COOLING UNIT ASSEMBLY
ATC-135
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ATC
2005 Pathfinder
3.
Remove the front heater core pipes RH nut.
4.
Disconnect the front heater core hoses from the front heater
core.
5.
Disconnect the high- and low-pressure A/C pipes from the front
expansion valve.
6.
Move the two front seats to the rearmost position on the seat
track.
7.
Remove the instrument panel and console panel. Refer to
.
8.
Remove the two front floor ducts.
9.
Remove the steering column. Refer to
.
10. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse
block (SMJ) electrical connectors. Refer to
.
11. Remove the covers then remove the three steering member bolts from each side to disconnect the steer-
ing member from the vehicle body.
12. Remove the front heater and cooling unit assembly with it attached to the steering member, from the vehi-
cle.
CAUTION:
●
Use care not to damage the seats and interior trim panels when removing the front heater and
cooling unit assembly with it attached to the steering member.
●
Use suitable plugs on the heater core pipes to prevent coolant leakage.
13. Remove the front heater and cooling unit assembly from the steering member.
Installation
Installation is in the reverse order of removal.
CAUTION:
●
Replace the O-ring of the low-pressure A/C pipe and high-pressure A/C pipe with a new one, and
apply compressor oil to the O-ring for installation. Refer to
.
●
After charging the refrigerant, check for leaks. Refer to
ATC-167, "Checking for Refrigerant Leaks"
.
NOTE:
●
Fill the engine cooling system with the specified coolant mixture. Refer to
.
●
Recharge the A/C system. Refer to
ATC-151, "Evacuating System and Charging Refrigerant"
.
REAR HEATER AND COOLING UNIT ASSEMBLY
Removal
1.
Discharge the refrigerant from the A/C system. Refer to
ATC-151, "Discharging Refrigerant"
.
2.
Drain the coolant from the engine cooling system. Refer to
MA-13, "DRAINING ENGINE COOLANT"
.
3.
Remove the rear RH interior trim panel. Refer to
.
4.
Disconnect the rear heater core hoses from the rear heater core.
5.
Disconnect the rear A/C high- and low-pressure A/C pipes from the rear expansion valve.
6.
Disconnect the following electrical connectors:
●
Rear blower motor
●
Rear blower motor resistor
●
Rear air mix door motor
7.
Disconnect the ducts from the rear heater and cooling unit assembly.
8.
Remove the three bolts to remove the rear heater and cooling unit assembly.
Installation
Installation is in the reverse order of removal.
LJIA0165E