Previa Van DX 4WD L4-2438cc 2.4L DOHC SC MFI (1997)
Evaporator Case: Service and Repair
Removal and Installation
AIR CONDITIONING UNIT
REMOVAL
1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM
HINT: Evacuate air from refrigeration system.
Charge system with refrigerant and inspect for leakage of refrigerant.
Specified amount:
w/o Rear A/C: 900 ± 50g (31.74 ± 1.76oz.)
w/Rear A/C 1,150 ± 50g (40.56 ± 1.76oz.)
2. DRAIN ENGINE COOLANT
HINT: It is not necessary to drain out all the coolant.
3. DISCONNECT WATER HOSE FROM HEATER RADIATOR PIPES
HINT:
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Push the water hose onto the heater radiator pipe as far as ridge on the pipe and install the hose clip.
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Install the hose clip in a position.
4. DISCONNECT LIQUID AND SUCTION TUBES
Remove the 2 bolts and the both tubes.
Torque: 10 Nm (100 kgf-cm, 7 ft. lb.)
NOTICE: Cap the open fittings immediately to keep moisture or dirt out of the system.
HINT: Lubricate 2 new O-rings with compressor oil and install the tubes.
5. REMOVE COOL BOX See: Cooling Unit
6. REMOVE INSTRUMENT PANEL
7. REMOVE A/C UNIT
(a) Disconnect the connectors.
(b) Remove drain hose.
(c) Remove the 2 bolts and A/C unit.