1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
Caution
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
Evaporator inspectionMazda 6 Service Manual: Hill Launch Assist (HLA)
Hill Launch Assist (HLA) is a function which assists the driver in accelerating
from a stop while on a slope. When the driver releases the brake pedal and depresses
the accelerator pedal while on a slope, the function prevents the vehicle from rolling.
The braking force is maintained automatic ...
Mazda 6 Service Manual: Front door key cylinder removal/installation
1. Remove the front door unit.
2. Remove the cover, then remove the bolt.
3. For protector-equipped vehicles, pull out the protector tab from the latch
and remove the protector.
4. Disconnect the rod.
5. Remove the front outer handle.
6. Turn the key cylinder in the direction indicated by ...