Disassembly
45RFE - AUTOMATIC TRANSMISSION
INPUT CLUTCH / DISASSEMBLY
1. Remove the reverse reaction plate selective snap-ring from the input clutch retainer (Fig. 83).
2. Remove the reverse reaction plate from the input clutch retainer.
3. Remove the reverse hub and reverse clutch pack from the input clutch retainer.
4. Remove the number 4 bearing from the overdrive hub.
5. Remove the overdrive hub from the input clutch retainer (Fig. 83).
6. Remove the number 3 bearing from the underdrive hub.
7. Remove the OD/reverse reaction plate snap ring from the input clutch retainer.
8. Remove the underdrive hub, overdrive clutch, and overdrive reaction plate from the input clutch retainer (Fig. 83).
NOTE: The overdrive friction discs and steel discs are thicker than the matching components in the underdrive and reverse clutches.
9. Remove the number 2 bearing from the input clutch hub.
10. Remove the overdrive clutch wave snap-ring from the input clutch retainer.
11. Remove the UD/OD reaction plate tapered snap-ring from the input clutch retainer.
12. Remove the UD/OD reaction plate from the input clutch retainer.
13. Remove the UD/OD reaction plate flat snap ring from the input clutch retainer (Fig. 83).
14. Remove the underdrive clutch pack from the input clutch retainer (Fig. 85).
15. Using Spring Compressor 8251, compress the UD/OD balance piston and remove the snap-ring from the input clutch hub (Fig. 84).
16. Remove the UD/OD balance piston and piston return spring from the input clutch retainer (Fig. 85).
17. Remove the underdrive piston from the input clutch retainer (Fig. 85).
NOTE: Both the UD/OD balance piston and the underdrive piston have seals molded onto them. If the seal is damaged, do not attempt to install a new seal onto the piston. The piston/seal must be replaced as an assembly.
18. Remove the input clutch retainer tapered snap-ring.
19. Separate input clutch retainer from input clutch hub.
20. Separate OD/reverse piston from input clutch hub retainer (Fig. 85).
21. Remove all seals and O-rings from the input shaft and input hub. The O-rings on the input hub are color coded. Be sure to make note of which O-ring belongs in which location.