REFRIGERANT LINE REMOVAL/INSTALLATION [MZR 1.6]

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L.H.D.

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [MZR 1.6].)

2. Discharge the refrigerant. (See REFRIGERANT CHARGING.)

3. Disconnect the refrigerant pressure sensor connector.

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4. Remove in the order indicated in the table. Do not allow compressor oil to spill.

Caution

• If moisture or foreign matter enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign matter out of the cycle.

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1

Cooler hose (LO)

(See Refrigerant line installation note (1).)

(See Refrigerant line installation note (2).)

2

Cooler pipe

(See Refrigerant line installation note (1).)

(See Refrigerant line installation note (2).)

3

Cooler hose (HI)

(See Refrigerant line installation note (1).)

(See Refrigerant line installation note (2).)

5. Install in the reverse order of removal.

6. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)

Refrigerant line installation note (1)

1. Apply compressor oil to the O-rings and connect the joints.

2. Tighten the joint bolt by hand.

3. Connect the block joint type pipes by grasping the female side of the block with pliers or similar tool and holding firmly, then tighten the connection bolt or nut with a torque wrench.

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Refrigerant line installation note (2)

1. After replacing the refrigerant line, add compressor oil to the refrigeration cycle.

• After replacing the cooler hose (HI)

Supplemental oil amount (approx. quantity)

― 1 ml {1 cc, 0.03 fl oz}

• After replacing the cooler hose (LO)

Supplemental oil amount (approx. quantity)

― 3 ml {3 cc, 0.1 fl oz}

• After replacing the cooler pipe

Supplemental oil amount (approx. quantity)

― 1 ml {1 cc, 0.03 fl oz}

R.H.D.

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [MZR 1.6].)

2. Discharge the refrigerant. (See REFRIGERANT CHARGING.)

3. Remove the nuts, then insulator.

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4. Disconnect the refrigerant pressure sensor connector.

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5. Remove in the order indicated in the table. Do not allow compressor oil to spill.

Caution

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6. Install in the reverse order of removal.

7. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)

Refrigerant line installation note (1)

1. Apply compressor oil to the O-rings and connect the joints.

2. Tighten the joint bolt by hand.

3. Connect the block joint type pipes by grasping the female side of the block with pliers or similar tool and holding firmly, then tighten the connection bolt or nut with a torque wrench.

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Refrigerant line installation note (2)

1. After replacing the refrigerant line, add compressor oil to the refrigeration cycle.

• After replacing the cooler hose (HI)

Supplemental oil amount (approx. quantity)

― 1 ml {1 cc, 0.03 fl oz}

• After replacing the cooler hose (LO)

Supplemental oil amount (approx. quantity)

― 3 ml {3 cc, 0.1 fl oz}

• After replacing the cooler pipe

Supplemental oil amount (approx. quantity)

― 1 ml {1 cc, 0.03 fl oz}

1	Cooler hose (LO) (See Refrigerant line installation note (1).) (See Refrigerant line installation note (2).)
2	Cooler pipe (See Refrigerant line installation note (1).) (See Refrigerant line installation note (2).)
3	Cooler hose (HI) (See Refrigerant line installation note (1).) (See Refrigerant line installation note (2).)