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: Door switch removal/installation
Front 1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Rear 1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. ...

Mazda 6 Service Manual: Headlight cleaner nozzle removal/installation
1. Remove the front bumper. (See FRONT BUMPER REMOVAL/INSTALLATION) 2. Disconnect the headlight cleaner hose. (See HEADLIGHT CLEANER HOSE REMOVAL/INSTALLATION) 3. Remove in the order indicated in the table. 4. Install in the reverse order of removal. 5. Adjust the headlight cleaner nozzle. ...