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

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Mazda 6 Service Manual: STEP 3: Contact Better Business Bureau (BBB)
Mazda North American Operations realizes that mutual agreement on some issues may not be possible. As a final step to ensure that your concerns are being fairly considered, Mazda North American Operations has agreed to participate in a dispute settlement program administered by the Better Busi ...

Mazda 6 Service Manual: Wheel and tire
WHEEL BALANCE ADJUSTMENT (16 INCH AND 17 INCH ALUMINUM ALLOY WHEEL) Caution Adjust the outer wheel balance first, then the inner wheel balance. Be careful not to scratch the wheels. Adhesive-type Balance Weight (Outer) 1. Remove the old balance weight from the wheel. 2. Remove the dou ...