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: Drive shaft (mtx) disassembly/assembly
1. Disassemble in the order indicated in the table. 2. Assemble in the reverse order of disassembly. Clip Disassembly Note 1. Mark the drive shaft and outer ring for proper assembly. Caution Mark with paint; do not use a punch. 2. Remove the clip. Balls, Inner Ring, Cage Disassembl ...

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 ...