Disassembly

42LE - Automatic Transmission

DISASSEMBLY

NOTE: If the valve body is being reconditioned or replaced, it is necessary to perform the Quick Learn Procedure using the DRBIII (R) Scan Tool.

1. Remove manual shaft seal.





2. Remove manual shaft screw (Fig. 416).





3. Remove Transmission Range Sensor (TRS) and manual shaft (Fig. 417).





4. Remove Solenoid/Pressure Switch Assembly from valve body (Fig. 418).





5. Remove valve body stiffener plate (Fig. 419).





6. Invert valve body assembly and remove transfer plate-to-valve body screws (Fig. 420).





7. Remove transfer/separator plate from valve body (Fig. 421)





8. Remove separator plate-to-transfer plate screws (Fig. 422).





9. Remove separator plate from transfer plate (Fig. 423).





10. Remove oil screen (Fig. 424) from transfer plate.





11. Remove thermal valve (Fig. 425) from transfer plate.





12. Remove valve body check balls. Note their location for assembly ease (Fig. 426).





13. Remove 2/4 accumulator assembly as shown in (Fig. 427).





14. Remove dual retainer plate from valve body Use special tool 6301 to remove plate (Fig. 428).





15. Remove regulator valve spring retainer (Fig. 429).





16. Remove remaining retainers as shown in (Fig. 430).





17. Remove valves and springs as shown in (Fig. 431).
18. Cleanliness through entire disassembly and assembly of the valve body cannot be overemphasized. When disassembling, each part should be washed in a suitable solvent, then dried by compressed air. Do not wipe parts with shop towels. All mating surfaces in the valve body are accurately machined; therefore, careful handling of all parts must be exercised to avoid nicks or burrs.