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: Bonnet adjustment
Gap Adjustment
1. Remove the front fender.
2. Loosen the bonnet hinge installation bolts and reposition the bonnet.
3. Tighten the bolts.
4. Verify that the gap between the bonnet and the body is within the
specification.
Clearance
a: 2.5-4.5 mm {0.08-0.17 in}
Height Adjustment
1 ...
Mazda 6 Service Manual: Air intake actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the air intake actuator.
2. Verify that the air intake actuator operates as shown below.
If not as specified, replace the air intake actuator.
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