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:
Closing the Hood
Check under the hood area to make
certain all filler caps are in place and all
loose items (e.g. tools, oil containers,
etc.) have been removed.
Lift the hood, grasp the padded area on
the support rod, and secure the support
rod in the clip. Verify that the support
rod is secured in ...
Keyless Control Module Configuration
1. Connect the M-MDS (IDS) to DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the IDS.
Select “Module Programming”.
3. Then, select items from the screen menu in the following order.
Select “Programmable Modu ...
Thermostat Inspection [Mzr 2.0, Mzr 2.5]
1. Remove the thermostat..
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.
WARNING:
During inspection, the thermostat and water are extremely hot and can cause
severe burns. Do not touch the thermostat and water.
4. Heat the water and c ...
