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:
Fuel Injector Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the fuel injector connector.
4. Inspect the resistance between fuel injector terminals A and B.
Fuel injector resistance
11.4—12.6 ohms [20 °C {68 °F}]
If not ...
Antenna Feeder No.4 Removal/Installation
Removal
NOTE:
The antenna feeder No.4 is integrated with the dashboard wiring harness.
1. Refer to DASHBOARD DISASSEMBLY/ASSEMBLY.
Installation
CAUTION:
If the antenna feeder No.4 is installed with tension on the cable and wiring
harness it could result in loosening of t ...
Control Valve Body Removal/Installation [FS5 A EL]
Primary Control Valve Body On-Vehicle Removal
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool.
Using compressed air can cause dirt and other particles to fly out, causing
injury to the eyes. Wear protective eyeglasses w ...
