AT-70 AUTOMATIC TRANSMISSION — Component Groups (Center Support Assembly) 5. COMPRESS PISTON RETURN SPRINGS AND REMOVE SNAP RING Place SST on spring retainer and compress the springs with a shop press. Using a screwdriver, remove the snap ring. SST 09350-20013 (09369-20040) 6. REMOVE SPRING RETAINER AND TWELVE SPRINGS 7. REMOVE NO. 1 BRAKE PISTON Blow compressed air through the center support oil hole to remove the No. 1 brake piston. If the piston does not pop out, lift it out with needle-nose pliers. 8. REMOVE NO. 1 BRAKE PISTON O-RINGS 9. TURN CENTER SUPPORT ASSEMBLY OVER AND REMOVE REAR SNAP RING (NO. 2 BRAKE) 10. REMOVE CLUTCH FLANGE, DISCS AND PLATES (NO. 2 BRAKE) 11. COMPRESS PISTON RETURN SPRINGS AND REMOVE SNAP RING Place SST on spring retainer and compress the springs with a shop press. Using a screwdriver, remove the snap ring. SST 09350-20013 (09369-20040) 12. REMOVE SPRING RETAINER AND TWENTY SPRINGS 13. REMOVE NO. 2 BRAKE PISTON Blow compressed air through the center support oil hole to remove the No. 2 brake piston. If the piston does not pop out, lift it out with needle-nose pliers. 14. REMOVE NO. 2 BRAKE PISTON O-RINGS