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:

Constant Monitoring
The following components of the air bag systems are monitored by a diagnostic system: Crash sensors, and diagnostic module (SAS unit) Front air bag sensors Air bag modules Side crash sensors Air bag/Front seat belt pretensioner system warning light Front seat belt pretensioners Rel ...

Fuel Pump Control Module Inspection [Skyactiv G 2.0]
1. Perform the KOEO self-test.. 2. Verify that a fuel pump control module related DTC is detected.. If DTCs are detected, repair the malfunctioning part according to the applicable DTC troubleshooting.. If a DTC is not detected, go to the next step. 3. Inspect the followin ...

Dehumidifying (With air conditioner)
Operate the air conditioner in cool or cold weather to help defog the windshield and side windows. Set the mode selector dial to the desired position. Set the air intake selector to the outside air position. Set the temperature control dial to the desired position. Set the fan cont ...