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: Air mix actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the air mix actuator. 2. Verify that the air mix actuator operates as shown below. If not as specified, replace the air mix actuator. e 3. Verify that the resistance between the terminals of the ...

Mazda 6 Service Manual: Fuel-Filler Cap
To remove the fuel-filler cap, turn it counterclockwise. Attach the removed cap to the inner side of the fuel lid. To close the fuel-filler cap, turn it clockwise until a click is heard. CAUTION (U.S.A. and Canada) If the check fuel cap warning light illuminates, the fuel-filler cap may not ...