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: Service cautions
HANDLING INSUFFICIENT REFRIGERANT LEVEL If an insufficient refrigerant level is detected at troubleshooting, do not charge (add) the refrigerant. Because an accurate amount of refrigerant cannot be determined from the pressure indicated on the manifold gauge, never charge the refrigeran ...

Mazda 6 Service Manual: Wheel hub, hub spindle pre-inspection
Wheel Bearing Play Inspection 1. Position a dial indicator against the wheel hub. 2. Push and pull the wheel hub by hand in the axial direction and measure the wheel bearing play. Maximum wheel bearing play 0.05 mm {0.002 in} 3. If the bearing play exceeds the specification, replace a ...