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:
Filament Inspection
1. Turn the ignition switch to the ON position.
2. Turn the rear window defroster switch on.
CAUTION:
Directly touching the rear window defroster filament with the lead of the
tester could damage it. Wrap aluminum foil around the end of the lead and inspect
the filament by touc ...
Schedule 1
Chart symbols:
I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if
necessary.
R: Replace
L : Lubricate
T: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine
coolant other than FL-22 may
cause serious damage to the engine and c ...
Auto Dimming Mirror Removal
1. Disconnect the negative battery cable.
2. Remove the screw.
3. Disconnect the auto-dimming mirror connector.
4. Pull out the rearview mirror toward the vehicle rear.
CAUTION:
When removing the rearview mirror, it may hit the headliner and cause damage.
Hold the ...
