
Diagnostic procedure


Dtc p0328
Dtc p0340Mazda 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: Towing Description
We recommend that towing be done only by an Authorized Mazda Dealer or a commercial
tow-truck service.
Proper lifting and towing are necessary to prevent damage to the vehicle. Government
and local laws must be followed.
A towed vehicle usually should have its drive wheels (front wheels) off t ...