Mazda 6 Service Manual: No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

No.19 excessive shift shock on torque converter clutch (tcc)

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

Other materials:

Mazda 6 Service Manual: Discharge headlight service warnings
Discharge headlight bulb service warnings To prevent electrical shock when replacing the discharge headlight bulb, dry hands thoroughly, and carry out work in an area out of rain. When the light switch is on, approx. 25,000 V of high voltage passes through the discharge headlight bulb so ...

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 ...