Mazda Protege 5. Manual — part 275

REFRIGERANT SYSTEM

07–10–6

21. Open the low-pressure side valve of the manifold

gauge and charge with refrigerant until the weight
of the refrigerant tank has decreased 600 g {21.2
oz} from the amount in Step 13.

22. Close the low-pressure side valve of the manifold

gauge and the valve of the refrigerant tank.

23. Stop the engine and A/C compressor.
24. Inspect for leakage using a gas leak tester.

•

If there is no leakage, go to Step 26.

•

If leakage is found at a loose joint, tighten the
joint, go to the next step.

25. Inspect for leakage again.

•

If there is no leakage after tightening the joint,
and go to the next step.

•

If there is still leakage at the same joint, discharge the refrigerant and then repair the joint. Repeat the
charging procedure from Step 7.

26. Disconnect the quick couplers from the charging valves.
27. Install the caps to the charging valves.

End Of Sie

WLU710WAE

WLU710WAF

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BASIC SYSTEM

07–11–1

07–11

07–11

BASIC SYSTEM

BASIC SYSTEM LOCATION INDEX . . . 07–11–2
BLOWER UNIT

REMOVAL/INSTALLATION . . . . . . . . . 07–11–3

BLOWER UNIT

DISASSEMBLY/ASSEMBLY . . . . . . . . 07–11–3

COOLING UNIT

REMOVAL/INSTALLATION . . . . . . . . . 07–11–3

Cooling Unit Installation Note. . . . . . . . 07–11–4

COOLING UNIT

DISASSEMBLY/ASSEMBLY . . . . . . . . 07–11–4

Expansion Valve Assembly Note . . . . . 07–11–5
Evaporator Assembly Note . . . . . . . . . 07–11–6
Adhesive Sponge Rubber

Assembly Note . . . . . . . . . . . . . . . . . . 07–11–6

Insulator Assembly Note . . . . . . . . . . . 07–11–6
A/C Amplifier Assembly Note . . . . . . . . 07–11–6
Sensor Clamp Assembly Note . . . . . . . 07–11–7
Polyethylene Foam Assembly Note . . . 07–11–7

EVAPORATOR INSPECTION. . . . . . . . . 07–11–7
HEATER UNIT

REMOVAL/INSTALLATION . . . . . . . . . 07–11–7

HEATER UNIT

DISASSEMBLY/ASSEMBLY . . . . . . . . 07–11–9

HEATER CORE INSPECTION . . . . . . . . . 07–11–10
AIRFLOW MODE MAIN LINK

REMOVAL/INSTALLATION . . . . . . . . . . 07–11–10

Airflow Mode Main Link

Installation Note . . . . . . . . . . . . . . . . . 07–11–10

REAR DUCT

REMOVAL/INSTALLATION . . . . . . . . . . 07–11–11

REAR HEAT DUCT

REMOVAL/INSTALLATION . . . . . . . . . . 07–11–11

A/C COMPRESSOR

REMOVAL/INSTALLATION . . . . . . . . . . 07–11–11

A/C Compressor Installation Note . . . . . 07–11–12

CONDENSER

REMOVAL/INSTALLATION . . . . . . . . . . 07–11–12

Condenser Installation Note . . . . . . . . . 07–11–13

CONDENSER INSPECTION . . . . . . . . . . 07–11–13
RECEIVER/DRIER

REMOVAL/INSTALLATION . . . . . . . . . . 07–11–13

Receiver/drier Installation Note . . . . . . . 07–11–14

REFRIGERANT

LINES REMOVAL/INSTALLATION . . . . 07–11–14

Refrigerant Lines Removal Note . . . . . . 07–11–15
Refrigerant Lines Installation Note . . . . 07–11–16

End of Toc

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BASIC SYSTEM

07–11–2

BASIC SYSTEM LOCATION INDEX

A3U071101040W01

.

End Of Sie

Z3U0711W001

1

Blower unit
(See 07–11–3 BLOWER UNIT REMOVAL/
INSTALLATION)
(See 07–11–3 BLOWER UNIT DISASSEMBLY/
ASSEMBLY)

2

Heater unit
(See 07–11–7 HEATER UNIT REMOVAL/
INSTALLATION)
(See 07–11–9 HEATER UNIT DISASSEMBLY/
ASSEMBLY)

3

Cooling unit
(See 07–11–3 COOLING UNIT REMOVAL/
INSTALLATION)
(See 07–11–4 COOLING UNIT DISASSEMBLY/
ASSEMBLY)

4

Rear duct
(See 07–11–11 REAR DUCT REMOVAL/
INSTALLATION)

5

Rear heat duct
(See 07–11–11 REAR HEAT DUCT REMOVAL/
INSTALLATION)

6

A/C compressor
(See 07–11–11 A/C COMPRESSOR REMOVAL/
INSTALLATION)

7

Condenser
(See 07–11–12 CONDENSER REMOVAL/
INSTALLATION)
(See 07–11–13 CONDENSER INSPECTION)

8

Receiver/drier
(See 07–11–13 RECEIVER/DRIER REMOVAL/
INSTALLATION)

9

Refrigerant lines
(See 07–11–14 REFRIGERANT LINES REMOVAL/
INSTALLATION)

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BASIC SYSTEM

07–11–3

07–11

BLOWER UNIT REMOVAL/INSTALLATION

A3U071161140W01

1. Disconnect the negative battery cable.
2. Remove the dashboard. (See 09–17–1 DASHBOARD REMOVAL/INSTALLATION.)
3. Remove the cooling unit. (See 07–11–3 COOLING UNIT REMOVAL/INSTALLATION.)
4. Remove the blower unit.
5. Install in the reverse order of removal.

End Of Sie

BLOWER UNIT DISASSEMBLY/ASSEMBLY

A3U071161140W02

1. Disassemble in the order indicated in the table.

2. Assemble in the reverse order of disassembly.

End Of Sie

COOLING UNIT REMOVAL/INSTALLATION

A3U071161520W01

1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See 07–10–3 REFRIGERANT CHARGING.)
3. Remove the passenger-side lower panel.
4. Remove the glove compartment and glove compartment cover.

Caution

••••

If moisture or foreign material 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 material out of the cycle.

Z3U0711W002

1

Blower motor

2

Blower harness

3

Air intake actuator

4

Air intake crank

5

Air intake door

6

Polyurethane protector

7

Blower case (1)

8

Blower case (2)

Z3U0711W003

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