Mazda 3 Service Manual: Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
-
If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
-
If there is any bending, use the end of a flathead screwdriver to straighten the fins.
3. Visually inspect the heater hose for deformation.
-
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:
Operating the Radio
Radio ON
Press a band selector button ( )
to
turn the radio on.
Band selection
Successively pressing the band selector
button ( ) switches the bands as
follows: FM1→FM2→AM.
The selected mode will be indicated.
NOTE
If the FM broadcast signal becomes weak,
reception auto ...
Rear Seat Back Frame Removal/Installation
1. Remove the rear seat cushion..
2. Remove the rear buckle installation bolt..
3. Remove the rear seat back..
4. Remove the headrest.
5. Open the fasteners.
6. Detach the hooks.
7. Remove the child-restraint seat anchor covers in the order of (1), (2) as
shown in the figure. (5H ...
ABS HU/CM Removal/Installation
WARNING:
If the ABS HU/CM configuration is not completed, it could result in an unexpected
accident due to the ABS being inoperative. If the ABS HU/CM or ABS CM is replaced,
always use the automatic configuration function so that the ABS operation conditions
are correct.
CAUTI ...
