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:

Blind Spot Monitoring (Bsm) Control Module Inspection
1. Disconnect the negative battery cable. 2. Remove the rear combination light.. 3. Remove the rear bumper.. 4. Connect the negative battery cable.. 5. Measure the voltage at each terminal is as indicated in the Terminal Voltage Tables. If the voltage or continuity is not as specif ...

Map Light Inspection
1. Disconnect the negative battery cable.. 2. Remove the map light.. 3. Verify that the continuity between the map light terminals is as indicated in the table. If not as indicated in the table, inspect the bulb. If there is no malfunction, replace the map light. 4. ...

Oil Pressure Switch Inspection
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo WARNING: A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the exhaust system. 1. Disconnect the negative battery cable.. 2. Remove the aerodynamic under cover No.2.. 3. Remove the oil pressur ...