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:

Battery Inspection [Mzr 2.3 Disi Turbo]
WARNING: Since battery acid is toxic, be careful when handling the battery. Since battery acid is highly corrosive, be careful not to allow it to contact clothing or the vehicle. In case battery acid contacts skin, eyes, or clothing, flush it immediately with running wa ...

Precaution
Intermittent Concern Troubleshooting Vibration method If malfunction occurs or becomes worse while driving on a rough road or when the engine is vibrating, perform the steps below. NOTE: There are several reasons why vehicle or engine vibration could cause an electrical m ...

Auto Dimming Mirror Inspection
1. Measure the voltage at each terminal. If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under “Inspection item (s)” and related wiring harnesses. If the system does not work properly even though the inspection items or rela ...