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: Evaporator temperature sensor inspection
1. Turn the AUTO switch on. 2. Set the temperature control at MAX COLD (Turn the left). 3. Turn the A/C switch. 4. Set the RECIRCULATE mode. 5. Close all doors and windows. 6. Wait for 5 minutes. 7. Remove the glove compartment. 8. Disconnect the evaporator temperature sensor. 9. Measure t ...