Direct Clutch Piston Disassembly Note

Set the direct clutch drum onto the transaxle case.
Remove the direct clutch piston from the direct clutch drum by applying compressed air through the fluid passage.
Air pressure

392-441 kPa {4.0-4.5 kgf/cm ² , 57-63 psi}

Fig 1: Applying Compressed Air To Direct Clutch Fluid Passage
Courtesy of MAZDA MOTORS CORP.