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:
Oil Control Valve (OCV) Inspection [Mzr 2.3 Disi Turbo]
Coil Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the OCV connector.
4. Measure the coil resistance between terminals A and B using a tester.
If not as specified, replace the OCV..
OCV coil resistance
6. ...
Key Reminder Switch Removal/Installation
1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZR
2.0, MZR 2.5].)(See BATTERY REMOVAL/INSTALLATION [MZR 2.3 DISI Turbo].)(See BATTERY
REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
2. Remove the column cover. (See COLUMN COVER REMOVAL/INSTALLATION.)
3. Disconnect the ...
Fuel Filter (High Pressure) Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin and eyes. To prevent this, always complete the “Fuel
Line Safety Procedure”, while referring ...
