Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Reassembly

REASSEMBLY

PROCEDURE

1. INSTALL NO. 1 COOLER THERMISTOR

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2. INSTALL NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

(a) Install the No. 1 cooler evaporator sub-assembly with No. 1 cooler thermistor to the upper heater case.

(b) Engage the clamp.

(c) Engage the 10 claws to install the upper heater case with No. 1 cooler evaporator sub-assembly to the lower heater case.

(d) Install the 2 screws.

3. INSTALL COOLER EXPANSION VALVE

(a) Sufficiently apply compressor oil to 2 new O-rings and the fitting surfaces of the No. 1 cooler evaporator sub-assembly.

Compressor Oil:

ND-OIL 12 or equivalent

(b) Install the 2 O-rings to the No. 1 cooler evaporator sub-assembly.

NOTICE:

Keep the O-rings and O-ring fitting surfaces free of foreign matter.

(c) Using a 4 mm hexagon socket wrench, install the cooler expansion valve with the 2 hexagon bolts. Torque: 3.5 N·m {36 kgf·cm, 31 in·lbf}

4. INSTALL COOLING UNIT PARTS

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5. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY

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6. INSTALL HEATER CLAMP

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7. INSTALL HEATER PIPE GROMMET

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8. INSTALL NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

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9. INSTALL NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

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10. INSTALL DRAIN COOLER HOSE

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11. INSTALL HEATER COVER

Install in this Direction

(a) Install the heater cover as shown in the illustration.

(b) Install the screw.

12. INSTALL AIR CONDITIONING HARNESS ASSEMBLY

(a) Engage each clamp.

(b) Connect each connector to install the air conditioning harness assembly.

13. INSTALL AIR CONDITIONING AMPLIFIER ASSEMBLY

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14. INSTALL BLOWER ASSEMBLY

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15. INSTALL ASPIRATOR

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16. INSTALL NO. 2 AIR DUCT

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17. INSTALL NO. 2 AIR DUCT SUB-ASSEMBLY

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18. INSTALL NO. 4 HEATER TO REGISTER DUCT SUB-ASSEMBLY

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