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: Glossary of Terms
Tire Placard: A label indicating the OE tire sizes, recommended inflation pressure, and the maximum weight the vehicle can carry. Tire Identification Number (TIN): A number on the sidewall of each tire providing information about the tire brand and manufacturing plant, tire size, and date of m ...

Mazda 6 Service Manual: Air bleeding
1. Inspect the fluid level. (See POWER STEERING FLUID INSPECTION.) 2. Jack up the front of the vehicle and support it on safety stands. 3. Turn the steering wheel fully to the left and right several times with the engine not running. 4. Reinspect the fluid level. If it has dropped, add flui ...