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: Automatic transaxle removal/installation
1. Disconnect the negative battery cable. 2. Remove the battery and battery tray. 3. Remove the aircleaner component. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.) 4. Remove the front tires and splash shield. 5. Remove the under cover. 6. Remove the steering gear and power steering pipe. (See ...

Mazda 6 Service Manual: Rocking the Vehicle
WARNING Do not spin the wheels at more than 56 km/h (35 mph), and do not allow anyone to stand behind a wheel when pushing the vehicle: When the vehicle is stuck, spinning the wheels at high speed is dangerous. The spinning tire could overheat and explode. This could cause serious injuries. ...