
Diagnostic procedure

Mazda 6 Service Manual: Front outer handle removal/installation
1. Remove the front door glass.
2. Detach the outer handle and front door latch rod.
3. For protector-equipped vehicles, refer to key cylinder
removal/installation to remove the protector.
4. Remove the bolts.
5. With the rear side of the outer handle fixed and the outer handle lever
pulle ...
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 ...