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:
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 ...
Liftgate Upper Trim Removal/Installation
1. Detach tab while pulling the liftgate upper trim in the direction of the arrow
(1) shown in the figure, then detach clips and pin while pulling in the direction
of the arrow (2).
2. Detach tab while pulling the liftgate upper trim in the direction of the arrow
(3) shown in the figure, ...
Front ABS Wheel Speed Sensor Inspection
Sensor Output Value Inspection
CAUTION:
Resistance inspection using other testers may cause damage to the ABS wheel-speed
sensor internal circuit. Be sure to use the M-MDS to inspect the ABS wheel-speed
sensor.
1. Switch the ignition to off.
2. Connect the M-MDS to the DLC-2. ...
