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7A–54 AUTOMATIC TRANSMISSION (4L30–E) Transmission (4L30–E) Disassembly NOTE: During the disassembly and reassembly, perform D Wash each part thoroughly, and blow air through each D Seal rings, roll pins, and gaskets should be replaced. D When assembling the components, apply –III Automatic Transmission Fluid (ATF) to each seal, rotating part, and sliding part. D Do not dip part facings, such as clutch or brake drive 1. Remove torque converter (1). D Drain fluid from torque converter. D Attach J–8763–02 holding fixture to the NOTE: Do not overtighten the tool, as case damage may 420RW021 2. Remove O-ring (2) from turbine shaft. lever nut, cover, and mode switch (3). 4. Remove twelve 10mm adapter case oil pan (4) fixing screws, adapter oil pan, and gasket. 5. Disconnect electrical wiring connections (5) from solenoids and 4 way connector of adapter case. Pull 6. Remove seven 13mm adapter case valve body (6) fixing screws, adapter case valve body assembly, D Remove wiring harness and 4 way connector. 7. Remove sixteen 10mm main case oil pan (7) fixing screws, main oil pan, magnet, and gasket. 8. Remove three 13mm oil filter (8) fixing screws and oil filter. 9. Remove two 13mm manual detent (9) fixing screws, roller and spring, and manual detent. 10. Disconnect wiring harness assembly (10) from band apply solenoid, shift solenoids, and main case 7 way 11. Remove four 13mm servo cover (11) fixing screws, servo cover, and gasket. 12. Remove seven 13mm valve body screws from main case. D Remove wiring harness assembly (5) from the D Remove main valve body assembly (12) with D Remove 7 way connector. D Remove gasket transfer plate from main case. 13. Remove two check balls (13) from main case. |