Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Drive belt replacement
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 l ...

Mazda 6 Service Manual: Battery Recharging
NOTE Before performing maintenance or recharging the battery, turn off all accessories and stop the engine. To disconnect the battery, remove the negative cable first. Install it last when connecting the battery. Be sure to remove the caps before recharging the battery.   I ...