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: Units
Conversion to SI Units (Système International d'Unités) All numerical values in this manual are based on SI units. Numbers shown in conventional units are converted from these values. Rounding Off Converted values are rounded off to the same number of places as the SI unit value ...

Mazda 6 Service Manual: Head Restraints
Your vehicle is equipped with head restraints on all outboard seats and the rear center seat. The head restraints are intended to help protect you and the passengers from neck injury. WARNING Always drive with the head restraints installed when seats are being used and make sure they are pro ...