Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual — part 9
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A–7
2. When installing the heater unit, defroster nozzle and
center vent duct, be sure that the proper seal is made,
without any gap between them.
Heater Core and / or Mode Door
Disassembled View
860R200001
Legend
(1) Heater Core
(2) Case (Temperature Control)
(3) Heater Unit
(4) Mix Actuator
(5) Mode Door
(6) Duct
(7) Mode Actuator
(8) Case (Mode Control)
1A–8
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Removal
1. Disconnect the battery ground cable.
2. Drain the engine coolant.
3. Discharge and recover refrigerant (with air
conditioning).
D
Refer to
Refrigerant Recovery in this section.
4. Remove heater unit.
D
Refer to
Heater Unit in this section.
5. Remove duct.
6. Remove mix actuator.
7. Remove mode actuator.
8. Remove case (Mode control) and do not remove link
unit at this step.
9. Remove case (Temperature control) separate two
halves of core case.
860RS002
10. Remove heater core (1).
860RS003
11. Pull out the mode door while raising up the catch of
the door lever.
860RS004
Inspection
Check for foreign matter in the heater core, stain or the
core fin defacement.
Installation
To install, follow the removal steps in the reverse order,
noting the following point:
1. Check that each mode door operates properly.
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A–9
Heater Mode Control Link Unit
Disassembled View
860R200002
Legend
(1) Case (Mode Control)
(2) Heater Unit
(3) Mode Sub-lever
(4) Clip
(5) Door Lever
(6) Rod
(7) Mode Actuator
(8) Washer and Mode Main Lever
Removal
1. Disconnect the battery ground cable.
2. Drain engine coolant.
3. Discharge and recover refrigerant (with air
conditioning)
D
Refer to
Refrigerant Recovery in this section.
4. Remove heater unit.
D
Refer to
Heater Unit in this section.
5. Remove mode actuator.
6. Remove the case (Mode control) from heater unit.
7. Remove washer and the mode main lever.
8. Remove rod.
9. Press the tab of the sub-lever inward, and take out the
sub-lever.
860RS006
1A–10 HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
10. Pull out the door lever while raising up the catch of the
door lever.
11. Remove clip.
Installation
To install, follow the remove steps in the reverse order,
noting the following points:
1. Apply grease to the mode sub-lever and to the
abrasive surface of the heater unit.
2. After installing the link unit, check to see if the link unit
operates correctly.
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