Mazda 6 Service Manual: No.19 excessive shift shock on torque converter clutch (tcc)

No.18 excessive shift shock is felt when upshifting and downshifting

No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

Other materials:

Mazda 6 Service Manual: Air intake actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal F or D of the air intake actuator. 2. Verify that the air intake actuator operates as shown below. If not as specified, replace the air intake actuator. ...

Mazda 6 Service Manual: Oil leakage inspection
Use either of the following procedures to identify the type of oil that is leaking: Using UV Light (Black Light) 1. Remove on the engine or transaxle. Note Referring to the fluorescent dye instruction manual, mix the specified amount of dye into the engine oil or ATF (or transaxle ...