Mazda 3 Service Manual: Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
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If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
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If there is any bending, use the end of a flathead screwdriver to straighten the fins.
3. Visually inspect the heater hose for deformation.
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Repair with pliers if there is deformation. If there is any malfunction, replace the heater core.
HVAC SST
49 B061 014
Spring Lock Coupling Disconnect Tool
49 G061 001
Spring Lock Coupling Disconnect Tool
49 B061 015A
Holder
...
Rear Heat Duct Removal/Installation
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:
Front Oil Seal Replacement [Mzr 2.0, Mzr 2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the plug hole plate..
4. Disconnect the wiring harness.
5. Remove the ignition coils..
6. Remove the spark plugs..
7. Remove the ventilation hose.
8. Remove the oil level gauge.
9. Remove the cylinder ...
Oil Cooler Removal/Installation [Fw6 A EL]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the aerodynamic under cover NO.2..
4. Drain the ATF..
5. Drain the engine coolant..
6. Remove in the order indicated in the table.
1
Water hose (connected to the water pipe)
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Direct Mode
Direct mode can be used for temporarily
switching gears by operating the steering
shift switch while the vehicle is being
driven with the selector lever in the D
range.
While in direct mode, the D and M
indication illuminate and the gear position
in use is illuminated.
Direct mode is can ...
