Operation CHARM: Car repair manuals for everyone.

Disassembly

45RFE - AUTOMATIC TRANSMISSION
OIL PUMP / DISASSEMBLY
1. Remove the bolts holding the reaction shaft support to the oil pump (Fig. 104).






2. Remove the reaction shaft support from the oil pump (Fig. 104).
3. Remove all bolts holding the oil pump halves together (Fig. 104).
4. Using suitable prying tools, separate the oil pump sections by inserting the tools in the supplied areas and prying the halves apart.

NOTE: The oil pump halves are aligned to each other through the use of two dowels. Be sure to pry upward evenly to prevent damage to the oil pump components.






5. Remove the screws holding the separator plate onto the oil pump body (Fig. 105).
6. Remove the separator plate from the oil pump body (Fig. 105).
7. Mark all gears for location. The gears are select fit and if the oil pump is to be reused, the gears must be returned to their original locations.
8. Remove the oil pump gears from the oil pump case (Fig. 105).









9. Remove the oil pump valve retainers and associated valve and spring one at a time (Fig. 106) (Fig. 107). Mark the combination of components as a group and tag them as to the location from which they were removed.




OIL PUMP FRONT SEAL / REMOVAL
1. Remove transmission from the vehicle.
2. Remove the torque converter from the transmission.
3. Using a screw mounted in a slide hammer, remove the oil pump front seal.