Transmission Oil Pump - Removal

REMOVAL

Special Tools:










1. Remove the transmission Removal.
2. Remove the valve body Valve Body - Removal.
3. Remove the thirteen oil pump assembly to case bolts (2).





4. Remove the input shaft O-ring (1) using a small pick (2) or equivalent.





5. Carefully pry the oil pump housing (1) away from the case (2) with a small flat blade screwdriver (3) or equivalent through the case opening.
6. From the front of the transmission, remove the oil pump housing.






NOTE: Apply air pressure slowly, oil may spray when B-piston releases from the assembly.

7. With one hand above B-piston (1), carefully apply air pressure into the hole directly above the B-piston alignment tab (3) to remove B-piston (2) from the assembly.





8. Remove the outer ring (1) (inside B-piston).
9. Remove the snap ring (2).
10. Remove the clutches and spacers (4).
11. Remove the hub (3).





12. Position the oil pump housing assembly (4) in a suitable press.
13. Using (8285) (1), press on the fingers of the piston retainer to remove tension on the split retaining ring (2), and remove the two halves of the retaining ring (2).





14. Remove the piston retainer and plate.





15. Remove the five bolts (1) and separate the oil pump housing (2) from the front oil pump cover (3).





16. Separate the front cover (1) from the oil pump housing (2).





17. Remove the drive sprocket, chain and pump body (1) as an assembly.
18. Remove and discard all O-rings.