AT-76 AUTOMATIC TRANSMISSION — Component Parts (Overdrive Planetary Gear, Overdrive Direct Clutch and Overdrive One Way Clutch) 6. INSTALL PISTON RETURN SPRING (a) Install the piston return spring to the piston. D4802 (b) Place SST on the spring retainer, and compress the return spring with a shop press. SST 09350-30020 (09350-07040) (c) Install the snap ring with a screwdriver. Be sure the end gap of the snap ring is not aligned with the spring retainer claw. AT4842 7. INSTALL PLATES, DISCS AND FLANGE (a) Install the plates and discs. Install in order: P=Plate D=Disc P-D-P-D AT1633 (b) Install the flange, the flat end facing downward. D4805 (c) Install the snap ring. D4783