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: Recommendations for Shifting
Upshifting For normal acceleration, Mazda recommends these shift points: For cruising, Mazda recommends these shift points: Downshifting When you must slow down in heavy traffic or on a steep upgrade, downshift before the engine starts to overwork. This reduces the chance of stalling and ...

Mazda 6 Service Manual: After repair procedure
Caution After repairing a malfunction, perform this procedure to verify that the malfunction has been corrected. When this procedure is carried out, be sure to drive the vehicle at lawful speed and pay attention to the other vehicles. 1. Connect the WDS or equivalent to the DLC-2. 2. Turn th ...