Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 19
HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–47
Duct Sensor, Evaporator Core and/or Expansion Valve
Disassembled View
874R200012
Legend
(1) Lining
(2) Expansion Valve
(3) O-ring
(4) Evaporator Assembly
(5) Lower Case
(6) Clip
(7) Attaching Screw
(8) Evaporator Core
(9) Duct Sensor
(10) Upper Case
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.
D
Refer to
Refrigerant Recovery in this section.
3. Remove evaporator assembly.
D
Refer to
Evaporator Assembly in this section.
4. Remove the duct sensor fixing clip.
Pull the sensor from the evaporator assembly.
5. Remove clip.
6. Remove attaching screw.
7. Remove upper case.
8. Remove lower case.
D
Slit the case parting face with a knife since the lining
is separated when removing the evaporator.
874RS006
1A–48 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
D
Lift to remove the upper case.
874R200007
9. Remove evaporator core.
874R200008
10. Remove expansion valve.
D
Tear off the insulator carefully.
D
Remove the sensor fixing clip.
D
Use a back-up wrench when disconnecting all
refrigerant pipes.
Installation
To install, follow the removal steps in the reverse order,
noting the following points:
1. The sensor is installed on the core with the clip.
2. The sensor must not interfere with the evaporator
core.
3. When installing the new evaporator core, install the
duct sensor (2) to the evaporator core (1) specified
position with the clip in the illustration.
874RY00016
4. O-rings cannot be reused. Always replace with new
ones.
5. Be sure to apply new compressor oil to the O-rings
when connecting lines.
6. Be sure to install the sensor and the insulator on the
place where they were before.
7. To install a new evaporator core, add 50cc (1.7 fl. oz.)
of new compressor oil to the new core.
8. Tighten the refrigerant lines to the specified torque.
Refer to
Main Data and Specifications for Torque
Specifications in this section.
9. Apply an adhesive to the parting face of the lining
when assembling the evaporator assembly.
HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–49
Refrigerant Line
Refrigerant Line and Associated Parts
852R200007
Legend
(1) Clip and Clamp
(2) Liquid Line (High-Pressure Pipe)
(3) Discharge Line (High-Pressure Hose)
(4) Condenser Air Guide
(5) Front Bumper Assembly
(6) Front Side Turn Signal Light (LH)
(7) Head Light (LH)
(8) Suction Line (Low-Pressure Pipe)
Removal
1. Disconnect the battery ground cable.
2. Discharge and recover refrigerant.
D
Refer to
Refrigerant Recovery in this section.
3. Remove the front bumper assembly.
D
Refer to the
Front Bumper in Body Structure
section.
4. Remove the condenser air guide.
5. Remove the front side turn signal light (LH).
6. Remove the head light (LH).
7. Remove clip and clamp.
8. Disconnect liquid line (High-pressure pipe).
9. Disconnect suction line (Low-pressure pipe) using a
back-up wrench.
10. Disconnect suction line (Low-pressure hose) using a
back-up wrench.
1A–50 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
11. Disconnect discharge line (High-pressure hose)
using a back-up wrench.
D
Use a backup wrench when disconnecting and
reconnecting the refrigerant lines.
D
When removing the refrigerant line connecting part,
the connecting part should immediately be plugged
or capped to prevent foreign matter from being
mixed into the line.
Installation
To install, follow the removal steps in the reverse order,
noting the following point:
1. O-rings cannot be reused. Always replace with new
ones.
2. Be sure to apply new compressor oil to the O-rings
when connecting lines.
3. Tighten the refrigerant line to the specified torque.
Refer to
Main Data and Specifications for Torque
Specifications in this section.
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