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: Clutch fluid replacement
Caution Be careful not to spill clutch fluid on a painted surface. If this should happen, wash it off immediately. Note Do not mix different brands of clutch fluid. Do not reuse the clutch fluid that was drained out. 1. Remove the under cover. 2. Draw the fluid from the reservoir ...

Mazda 6 Service Manual: Dual proportioning valve replacement (without abs)
1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. Dual Proportioning Valve Installation Note Install the dual proportioning valve so that the R mark faces the left side of the vehicle. ...