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 removal/installation
Caution Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the harness if it is pulled by mistake. Before performing the following procedures, remove the ABS wheel-speed sensor (axle side) and fix it to an appropri ...

Mazda 6 Service Manual: Clutch cover inspection
1. Measure the wear of the diaphragm spring fingers. If not as specified, replace the clutch cover. Depth 0.6 mm {0.024 in} max. 2. Measure the flatness of the pressure plate with a straight edge and a feeler gauge. If not as specified, replace the clutch cover. Maximum ...