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 ...

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Cowl Grille Removal/Installation
1. Remove the windshield wiper arm and blade.. 2. Remove the fastener A. 3. Pull the front fender molding in the direction of the arrow shown in the figure and remove it while remove the tab B and tab C. 4. Disconnect the windshield washer hose from the joint pipe A.. 5. Remove the fas ...

Clock Spring Inspection [Standard Deployment Control System]
1. Disconnect the negative battery cable.. 2. Remove the driver–side air bag module.. 3. Remove the steering wheel.. 4. Remove the column cover. 5. Remove the clock spring.. 6. Verify that the continuity is as indicated in the table. If not as indicated in the table, replace the cl ...

Instrument Cluster Inspection
Speedometer Using a speedometer tester CAUTION: When only the front or the rear wheels are driven using a speedometer tester, the ABS or DSC may determine that the vehicle speed signal is in error and the engine cannot be stopped by the normal operation. If the engine cannot be stopp ...