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: Liftgate disassembly/assembly
1. Disconnect the negative battery cable. 2. Remove the liftgate lower trim. 3. To remove the liftgate outer handle and liftgate key cylinder, remove the rear finisher. 4. To remove the stud ball, separate the stud ball and the stay damper. 5. Disassemble in the order indicated in the table. ...

Mazda 6 Service Manual: Airflow mode actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the airflow mode actuator. 2. Verify that the airflow mode actuator operates as shown below. If not as specified, replace the airflow mode actuator. 3. Verify that the resistance between the ter ...