Fluid Pump Removal
Fluid PumpSpecial Tool(s):
NOTE: The removal and installation procedures for the fluid pump are unique and different from the Torque Converter Housing, Reverse Clutch and Pump Assembly - Disassembly and Assembly procedures in Disassembly and Assembly of subassemblies. These procedures are to be used when only fluid pump installation is required. For complete transaxle overhaul and other procedures normally requiring the fluid pump to be removed and installed, refer to Torque Converter Housing, Reverse Clutch and Pump Assembly - Disassembly and Torque Converter Housing, Reverse Clutch and Pump Assembly - Assembly.
NOTE: Throughout this procedure, certain steps will instruct you to remove and discard components. Always install new components where indicated.
1. Remove the transaxle.
2. Remove and discard the 4 retainers and remove the transaxle insulator.
3. Remove the rear transaxle mount-to-transaxle bolts and the rear transaxle mount.
4. Remove the transmission fluid level indicator.
5. Using the special tool, remove the torque converter.
6. Make an identifying mark on the torque converter where the fluid pump pilot is located for correct installation.
7. CAUTION: Be careful not to cross-thread the bolts while installing the special tool.
Install the special tool onto the transaxle case.
^ Tighten to 55 Nm (41 ft. lbs.).
8. Position the transaxle into the bench fixture.
9. Remove the side shaft gear assembly bolts.
10. Remove the side shaft gear assembly from the case.
11. Remove the transmission fluid pan.
12. Remove and discard the transmission fluid pan gasket.
13. NOTE: Check the transaxle case to see if the filter pickup tube seal is stuck in the case. If the pickup tube seal is in the case it will need to be removed.
Remove and discard the transmission fluid filter.
^ Use a suitable seal pick to remove the seal if it is stuck in the case.
14. Remove the main electrical outer shell bolt.
15. CAUTION: Do not touch the electrical connector pins. Electrostatic charge may occur and will cause damage to the mechatronic unit.
Rotate the outer shell connector in order to release it from the mechatronic electrical connector.
^ Rotate the connector counterclockwise to remove.
16. Remove the electrical connector by lifting it out of the case.
17. CAUTION: Do not pull up on the wire harness. Damage to the wiring harness could result.
Depress the tabs on the electrical connectors and pull up on the connectors to disconnect.
18. CAUTION: Do not touch the electrical connector pins. Electrostatic charge may occur and will cause damage to the mechatronic unit.
Remove the 8 bolts from the mechatronic unit.
19. CAUTION: Do not touch the electrical connector pins. Electrostatic charge may occur and will cause damage to the mechatronic unit.
Remove the mechatronic unit from the transaxle.
20. CAUTION: Vehicles having transmissions with transmission build dates prior to December 6, 2005 have longer feed tubes for the primary and secondary feed tubes. The shorter feed tube goes in the main pressure case hole.
Vehicles having transmissions with transmission build dates after December 6, 2005 use the same size, shorter feed tube in the primary, secondary and main pressure feed tube locations.
Be sure to note what size the feed tubes are when removed and install them in the same case hole location they were removed from.
Short and long feed tubes cannot be interchanged because CVT cases built after December 6, 2005 that use the shorter feed tube in all 3 locations have shallower case holes in the primary and secondary feed tube locations. Putting the longer feed tubes in these cases will result in cross leakage when the mechatronic assembly is installed. Putting shorter feed tubes in a location that used the longer hole may also result in a cross leak when the mechatronic assembly is installed from the tube being pushed farther down and not sealing.
NOTE: The 5 feed tubes may stick in the case or the mechatronic assembly, make sure that all 5 feed tubes are removed.
NOTE: Note the location of the 5 feed tubes for reassembly.
Remove all of the 5 feed tubes.
1 Remove the clutch (manual valve) supply feed tube.
2 Remove the primary pressure feed tube.
3 Remove the secondary pressure feed tube.
4 Remove the main (pump) pressure feed tube.
5 Remove and discard the torque converter clutch pressure feed tube.
21. Remove and discard all of the seals on the feed tubes.
1 Remove and discard the inside and outside O-ring seals from the clutch (manual valve) supply feed tube.
2 Remove and discard the O-ring seals from the primary pressure feed tube, the secondary pressure feed tube and the main (pump) pressure feed tube.
3 Discard the torque converter clutch pressure feed tube.
22. Remove and discard the 26 transaxle converter housing bolts.
23. Remove the converter housing. Carefully pry the case halves apart.
24. NOTE: It is not necessary to remove the range selector valve assembly when removing the clutch feed sealing sleeve.
Remove and discard the clutch feed sealing sleeve.
25. CAUTION: Use care when cleaning the gasket surface not to scratch or gouge it, a transmission fluid leak could result.
NOTE: Using a plastic scraper, make sure that all gasket material is removed from the case.
NOTE: No further disassembly of the differential side case is required. Set the differential side case aside for reassembly once a new pump has been installed.
Remove and discard the converter housing (split flange) gasket.
26. Only remove and discard the clutch feed tube O-ring seal.
27. NOTE: Do not install new clutch plates during this procedure.
Remove the reverse clutch plate snap ring.
28. Remove the reverse clutch ring gear and the friction plates, steel plates, separator plate and wave spring.
29. Using the special tool, remove the return spring retainers.
30. Remove the return spring.
31. NOTE: A small amount of air pressure may be needed to remove the reverse clutch piston from the drum.
Use only regulated air pressure 206.85 kPa (30 psi) max. Carefully remove the reverse clutch piston.
1 Apply the recommended amount of air pressure.
2 Remove the reverse clutch piston.
32. Remove and discard the reverse clutch piston inner and outer O-ring seals.
33. Tag and identify all parts for reassembly.
34. NOTE: The pump dust cover can be removed using a small punch from the opposite side of the case.
Remove the 3 pump dust cover bolts. Remove and discard the cover.
35. Remove the 8 fluid pump bolts and the pump assembly from the converter housing.
36. Remove the feed tube.
37. Remove and discard the O-ring seals from the ends of the feed tube.
38. NOTE: Be careful not to damage the sealing surfaces of the pump.
Using a suitable tool, remove the fluid pump seal.
39. For fluid pump alignment and installation, refer to Fluid Pump.