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: Pcm removal/installation
Note For replace the PCM, Setup the WDS and perform the PCM configuration. (See PCM CONFIGURATION.) 1. Disconnect the negative battery cable. 2. For R.H.D, perform the following procedures. (1) Remove the front side trim (left-side). (2) Partially peel back the flower covering. 3 ...

Mazda 6 Service Manual: Sunvisors
When you need a sunvisor, lower it for use in front or swing it to the side. Side Extension Sunvisors (Some models) The visor extender extends the sunvisor's range of sun shading. To use, pull it out. CAUTION When moving the sunvisor, retract the visor extender to its original position. O ...