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: Storage Compartments
WARNING Keep storage boxes closed when driving: Driving with the storage boxes open is dangerous. To reduce the possibility of injury in an accident or a sudden stop, keep the storage boxes closed when driving. Do not put articles in storage spaces with no lid: Putting articles in storage sp ...

Mazda 6 Service Manual: Oil seal replacement
1. Drain the ATF. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.) Caution The oil seal is easily damaged by the sharp edges of the drive shaft splines. Do not let the splines contact the oil seal. 2. Remove the drive shaft. (See DRIVE SHAFT REMOVAL/INSTALLATION.) 3. Remove the oil sea ...