
Diagnostic procedure

Mazda 6 Service Manual: Heater core inspection
1. Remove the A/C unit. (See A/C UNIT REMOVAL/INSTALLATION.)
2. Remove the heater core from the A/C unit.
3. Inspect for cracks, damage, and coolant leakage.
If any problems are found, replace the heater core.
4. Inspect for bent fins.
If any are bent, use a flathead screwdriver to stra ...
Mazda 6 Service Manual: Liftgate removal/installation
Warning
Removing the stay damper without supporting the liftgate can be
dangerous. The liftgate may fall and injure you. Open the liftgate fully and
support it before removing the stay damper.
1. Disconnect the negative battery cable.
2. Remove the liftgate lower upper trim.
3. Press ...