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: Mechanical system test
Mechanical System Test Preparation
1. Engage the parking brake and use wheel chocks at the front and rear of the
wheels.
2. Inspect the engine coolant. (See ENGINE COOLANT LEVEL INSPECTION.)
3. Inspect the engine oil. (See ENGINE OIL INSPECTION.)
4. Inspect the ATF levels. (See AUTOMATIC TRANS ...
Mazda 6 Service Manual: Sunroof unit removal/installation
1. Disconnect the negative battery cable.
2. Remove the headliner.
3. Remove the glass panel.
4. Disconnect the front and rear drain hose from the sunroof frame.
5. Remove the bolt A, and then remove the rear set bracket.
6. Remove the bolt B and nuts, and then remove the sunroof unit.
7. In ...