Mazda 3 Service Manual: 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:
Trunk Lid Key Cylinder Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Lift the clip in the direction of the arrow (1), and pull out the key rod
in the direction of the arrow (2).
4. Remove the nuts.
5. Remove the trunk lid key cylinder.
6. Install in the reverse order of r ...
Driver Side Air Bag Module Removal/Installation [Two Step Deployment Control
System]
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
Due to the adoption of 2-step deployment control in the driver- ...
Air Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S11 (A/F sensor output current)
...
