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: Oil cooler removal/installation
1. Disconnect the negative battery cable. 2. Drain the ATF into a container. (See AUTOMATIC TRANSAXLE FLUID (ATF) REPLACEMENT.) 3. Remove the radiator. (See RADIATOR REMOVAL/INSTALLATION.) 4. Remove in the order indicated in the table. 5. Install in the reverse order of removal. 6. Add ATF to ...

Mazda 6 Service Manual: Split Folding
By lowering the rear seatbacks the luggage compartment space can be expanded. WARNING Do not drive the vehicle with occupants on folded down seatbacks or in the luggage compartment.  Putting occupants in the luggage compartment is dangerous because seat belts cannot be fastened which coul ...