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: Windshield wiper motor inspection
L.H.D. 1. Disconnect the windshield wiper motor connector. 2. Connect battery positive voltage to terminal E or D and ground to terminal B, and inspect the operation of the windshield wiper motor as indicated below. 3. Disconnect battery positive voltage from terminal E of the motor while t ...

Mazda 6 Service Manual: Wiper Blades
CAUTION Hot waxes applied by automatic car washers have been known to affect the wiper's ability to clean windows. To prevent damage to the wiper blades, do not use gasoline, kerosene, paint thinner, or other solvents on or near them. When the wiper lever is in the AUTO position and th ...