HVAC System (Heater, Ventilator And A/C): Evaporator: Installation

CAUTION:

Do not start the engine before charging refrigerant.
If the engine is started with no refrigerant charge, replace the compressor.
If the evaporator has been replaced, add an appropriate amount of compressor oil to the evaporator. Refer to ADJUSTMENT .
When the evaporator has been replaced, always replace the packing for expansion valve with a new one and apply the compressor oil on it.
Make sure that the water seal packing on the cover attachment area is securely attached.
Replace the O-rings with new parts, and then apply compressor oil.
Install the evaporator sensor at the position shown in the figure below.

Install the evaporator sensor to the specified location. Refer to INSTALLATION .
Install each part in the reverse order of removal.
NOTE: Refer to INSTALLATION .
Fill engine coolant.
- H4 model: Refer to FILLING OF ENGINE COOLANT .
- H6 model: Refer to FILLING OF ENGINE COOLANT .
Charge refrigerant. Refer to PROCEDURE .
Tightening torque:

Heater cooling unit: Refer to HEATER COOLING UNIT  .

Blower motor unit: Refer to BLOWER MOTOR UNIT  .

Air conditioning unit: Refer to AIR CONDITIONING UNIT  .

Engine control module (ECM): 7.5 N.m (0.76 kgf-m, 5.5 ft-lb)