Mazda 6 Service Manual: Expansion valve removal/installation

Mazda 6 Service Manual / Heater and air conditioner systems / Basic system / Expansion valve removal/installation

1. Disconnect the negative battery cable.

2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)

Caution

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

3. Disconnect the cooler hose (Lo) (L.H.D) or cooler pipe No.4 (R.H.D.) and cooler pipe No.3. (See REFRIGERANT LINES REMOVAL/INSTALLATION.)

4. Remove the dashboard. (See DASHBOARD REMOVAL/INSTALLATION.)

5. Remove the duct (1).

6. Remove the air mix actuator. (Full-auto air conditioner)

7. Remove the screws and cover.

8. Remove the one plate (L.H.D.) or two plates (R.H.D.).

9. Remove the bolts and shift the outlet pipe. Do not allow compressor oil to spill.

10. Remove the expansion valve. Do not allow compressor oil to spill.

11. Install in the reverse order of removal.

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

A/c unit disassembly/assembly

1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. Evaporator Temperature Sensor Assembly Note Assemble the evaporator temperature sensor as ...

Evaporator inspection

1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.) 2. Remove the evaporator from the A/C unit. 3. Inspect for cracks, damage, and oil leakage. If any problems are found, replace the ev ...

Other materials:

Mazda 6 Service Manual: Evaporator temperature sensor inspection
1. Turn the AUTO switch on. 2. Set the temperature control at MAX COLD (Turn the left). 3. Turn the A/C switch. 4. Set the RECIRCULATE mode. 5. Close all doors and windows. 6. Wait for 5 minutes. 7. Remove the glove compartment. 8. Disconnect the evaporator temperature sensor. 9. Measure t ...

Mazda 6 Service Manual: Power brake unit removal/installation
1. Remove the master cylinder. (See MASTER CYLINDER REMOVAL/INSTALLATION.) 2. Remove the wiper arm. (See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION.) 3. Remove the cowl grille. (See COWL GRILLE REMOVAL/INSTALLATION.) 4. Remove the wiper motor. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTAL ...