HEAT PUMP VALVE COMPONENT No.1 REMOVAL/INSTALLATION

id071100703300

Replacement parts

O-ring

Quantity: 5

Location of use: Heat pump valve component No.1

Oil and chemical type

Refrigerant

Type: HFO-1234yf (R-1234yf)

Compressor oil

Type: ND-OIL11

1. Disconnect the negative lead-acid battery terminal. (See NEGATIVE LEAD-ACID BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2. Collect the refrigerant. (See REFRIGERANT RECOVERY.)

3. Disconnect the connectors.

L.H.D.

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R.H.D.

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4. Remove the clip.

5. Detach the following parts from heat pump valve component No.1.

(1) Flexible hose No.1 (See FLEXIBLE HOSE REMOVAL/INSTALLATION.)

(2) Flexible hose No.4 (See FLEXIBLE HOSE REMOVAL/INSTALLATION.)

(3) Flexible hose No.5 (See FLEXIBLE HOSE REMOVAL/INSTALLATION.)

(4) Rear cooler pipe (See REAR COOLER PIPE REMOVAL/INSTALLATION.)

Caution

• If you directly pinch and fix the block with pliers it may be damaged. When fixing the block with pliers wrap a clean cloth around the block when working.

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6. Secure the female side block with pliers and remove the bolt. (See Bolt Installation Note.)

L.H.D.

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R.H.D.

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7. Disconnect the flexible hose being careful not to allow compressor oil to spill.

8. Remove the bolt in the order shown in the figure. (See Bolt Installation Note.)

L.H.D.

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R.H.D.

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9. Remove the nuts.

Caution

• If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunctions could occur. After removing the refrigeration system parts, plug the opening immediately.

10. Remove the heat pump valve component No.1 being careful not to allow compressor oil to spill.

11. Install in the reverse order of removal.

12. When replacing the heat pump valve component No.1, add compressor oil in the refrigeration cycle.

Compressor oil

Category	Supplemental amount (reference)
ND-OIL11	8 ml {8 cc, 0.3 US fl oz}

13. Charge the refrigerant. (See REFRIGERANT CHARGING.)

14. Perform the air-conditioning system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)

Bolt Installation Note

1. Apply compressor oil to the O-ring at the connection.

2. Perform initial tightening of bolts fully by hand.