1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the evaporator from the A/C unit.
3. Inspect for cracks, damage, and oil leakage.
4. Inspect for bent fins.
Expansion valve removal/installation
Heater core inspectionMazda 6 Service Manual: Overheating
If the high engine coolant temperature warning light turns on, the vehicle loses
power, or you hear a loud knocking or pinging noise, the engine is probably too
hot.
WARNING
Pull over to a safe location,
then switch the ignition off and make sure the fan is not running before attempting
t ...
Mazda 6 Service Manual: Front fog light bulb removal/installation
1. Disconnect the negative battery cable.
2. Remove in the order indicated in the table.
Caution
A halogen bulb generates extremely high heat when it is used. If
the surface of the bulb is soiled, excessive heat will build up and the
lights life will be shortened. When replacing the ...