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:

Condenser Removal/Installation
1. Disconnect the negative battery cable.. 2. Discharge the refrigerant.. 3. Drain the engine coolant.. 4. Remove the air cleaner.. 5. Remove the aerodynamic under cover No.2.. 6. Remove the aerodynamic under cover No.1.. 7. Remove the front bumper.. 8. Disconnect the radiator hose fro ...

Knock Sensor (Ks) Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection 1. Remove the battery cover.. 2. Disconnect the negative battery cable.. 3. Disconnect the KS connector. 4. Measure the resistance between KS terminals A and B. If not as specified, replace the KS.. Specification Approx. 4.87 megohms [normal tem ...

Air Filter Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the fuel-filler pipe protector.. 2. Remove in the order indicated in the table. 1 Evaporative hose 2 Air filter 3. Install in the reverse order of removal. ...