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.
-
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:
Oil Cooler Flushing [FS5 A EL]
NOTE:
If the automatic transaxle is replaced, flush and inspect the oil cooler.
When replacing the automatic transaxle, inspect the oil cooler together with
flushing it using the following procedures, and with the oil cooler hose removed.
1. Disconnect the oil hose.
2. Set ...
Operating Tips for AAC
AAC stands for Advanced Audio Coding,
which is standardized voice compression
established by the ISO *1 working group
(MPEG). Audio data can be created and
stored at a higher compression ratio than
MP3.
This unit plays files with the extensions
(.aac/.m4a/.wav *2 ) as the AAC files.
*1 Int ...
Operating Tips for Audio System
WARNING
Always adjust the audio while the
vehicle is stopped:
Do not adjust the audio control
switches while driving the vehicle.
Adjusting the audio while driving
the vehicle is dangerous as it could
distract your attention from the vehicle
operation which could lead ...
