1. Remove the splash shield (RH).
2. Turn the center of the tensioner pulley clockwise to release tension to the drive belt.

3. Remove the drive belt.
4. Reinstall the drive belt or install a new drive belt.
5. Verify that the drive belt auto tensioner indicator mark does not exceeds the limit. (See DRIVE BELT INSPECTION.)
6. Install the splash shield (RH).
Drive belt inspection
Drive belt auto tensioner inspectionMazda 6 Service Manual: Center panel module removal/installation
1. Cancel the anti-theft operation. (with anti-theft system) (See ANTI-THEFT
SYSTEM.)
2. Disconnect the negative battery cable.
3. Remove the glove compartment.
4. Remove the rear console.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
Caution
...
Mazda 6 Service Manual: Passenger-side air bag module removal/installation
Warning
Handling the air bag module improperly can accidentally deploy the
air bag module, which may seriously injure you. Read AIR BAG SYSTEM SERVICE
WARNINGS before handling the air bag module. (See SERVICE WARNINGS.)
Due to the adoption of 2-step deployment control in both the
pass ...