3. INSTALL RETAINING PLATE (a) Install the retaining plate. (b) Install the snap ring. 4. INSTALL RING GEAR FLANGE TO OVERDRIVE PLANETARY RING GEAR (a) Install the ring gear flange as shown. (b) Install the snap ring. 5. INSTALL OVERDRIVE DIRECT CLUTCH PISTON (a) Coat new O-rings with ATF and install them on the O/D direct clutch piston. (b) Being careful not to damage the O-rings, press in the direct clutch piston into the clutch drum with both hands.