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: General procedures
Wheels and Tires Removal/Installation The removal and installation procedures for the wheels and tires are not mentioned in this section. When a wheel is removed, tighten it to 88-118 N·m {9.0-12.0 kgf·m, 65.0-87.0 ft·lbf}. Power Steering Components Removal/Installation If any power steeri ...

Mazda 6 Service Manual: Sunshade
The sunshade can be opened and closed by hand. The sunshade opens automatically when the moonroof is opened, but must be closed by hand. CAUTION The sunshade does not tilt. To avoid damaging the sunshade, do not push up on it. Do not close the sunshade while the moonroof is opening. T ...