
Diagnostic procedure


Dtc p0506
Dtc p0511Mazda 6 Service Manual: A/c compressor removal/installation
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
3. Remove the right side splash shield and mudguard (L.H.D. only).
4. Loosen the drive belt and remove it.
Caution
If moisture or foreign material enters the refrigeration ...
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 ...