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: Egr valve inspection
Operation Test
Carry out the EGR Control Inspection. (See EGR Control System
Inspection.
If not as specified, perform the further inspection for the EGR valve.
Resistance Inspection
Note
Perform the following test only when directed.
1. Disconnect the negative battery cable.
2. In ...
Mazda 6 Service Manual: Manually Shifting Down
You can shift gears down by operating the selector lever or the steering shift
switches (some models).
M6 → M5 → M4 → M3 → M2→ M1
Using selector lever
To shift down to a lower gear, tap the selector lever forward (-) once.
Using steering shift switch (Some model ...