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: Battery recharging
Warning Keep any flammable away from the battery, otherwise evaporated gas of the battery fluid may catch fire, and cause serious injury or death. Caution When removing the battery, disconnect the negative battery cable first and install it last to prevent damage to electrical compo ...

Mazda 6 Service Manual: Steering shaft inspection
1. Inspect the following. (1) Column bearing for damage (2) Steering shaft length Replace the steering shaft component as necessary. Length 211.6 mm {8.3 in} 2. Inspect the tilt and telescope operation (1) Verify that the adjusting lever moves smoothly from unlock posit ...