Mazda 3 Service Manual: Expansion Valve Removal/Installation

Mazda 3 Service Manual / HVAC / A/C / Expansion Valve Removal/Installation

1. Disconnect the negative battery cable..

2. Discharge the refrigerant from the system..

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.

3. Disconnect the cooler hose (LO) and cooler pipe. Do not allow compressor oil to spill..

4. Remove the following parts:

a. Front side trim (RH).

b. Front scuff plate.

c. Dashboard under cover.

d. Glove compartment.

e. Lower panel (passenger-side).

f. Side wall (RH).

g. Shower duct (RH).

5. Remove the adhesive polyurethane (2)..

6. Remove the bolt A.

7. Disconnect the evaporator pipe.

8. Remove the bolt B.

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

10. Install in the reverse order of removal.

11. Perform the refrigerant system performance test..

Evaporator Inspection

1. Inspect the evaporator for damage, cracks, and oil leakage. If there is any malfunction, replace the evaporator. 2. Visually inspect the fins for bending. If there is any bend ...

Fan Switch Inspection [Manual Air Conditioner]

1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Upper panel. b. Shift lever knob (MTX). c. Selector lever knob (ATX). d. Shift panel. e. Side wall. f. Consol ...

Other materials:

Cooling System Cap Inspection [Mzr 2.0, Mzr 2.5]
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

Engine Oil Level Inspection [Mzr 2.0, Mzr 2.5]
1. Position the vehicle on level ground. 2. Warm up the engine. 3. Stop the engine and allow at least 5 min before continuing. 4. Remove the dipstick, wipe it cleanly, and reinstall it fully. 5. Remove the dipstick and verify that the oil level is between the F and L marks on the dipstick. ...

Air Filter Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the side wall.. 3. Disconnect the evaporator temperature sensor connector. 4. Disconnect the power MOS FET connector. (Full-auto air conditioner) 5. Disconnect the resistor connector. (Manual air conditioner) 6. Remove in the order indic ...