Fluid Pump: Service and Repair

PUMP ASSEMBLY DISASSEMBLY/ASSEMBLY









Disassembly





1. Remove the filter from the pump.
a. Rotate the filter 90 degrees clockwise.

b. Pull the filter out of the pump.






2. Remove the magnet from the filter.






3. Assemble the Slide Hammer and 3/4 Inch to 7/8 Inch Collet and remove and discard the input shaft seal.






4. Remove the pump-to-torque converter housing seal.






5. Using a suitable dent puller, remove the torque converter hub seal.






6. Position the pump assembly in the torque converter housing and install 2 pump-to-torque converter housing bolts hand-tight.






7. Loosen the 23 pump bolts.






8. Remove the 2 bolts and the pump from the torque converter housing.






9. Remove the 23 pump bolts and separate the pump halves.






10. Remove the pump gears.

NOTE:The dot on the inner pump gear faces up.






11. Compress the main pressure regulator valve spring with a screwdriver and remove the retainer with a magnet.






12. Install an M4 bolt in the valve and remove the main pressure regulator valve assembly.






13. Compress the TCC control valve spring with a screwdriver and remover the retainer with a magnet.






14. Remove the TCC control valve assembly.

Assembly

1. Assemble the TCC control valve and main pressure regulator valve and install the valves in the pump. Compress the valve springs with a screwdriver and install the retainers






2. Assemble the TCC control valve and main pressure regulator valve and install the valves in the pump. Compress the valve springs with a screwdriver and install the retainers.






3. Install the pump gears.

NOTE:The dot on the inner pump gear faces up.






4. Position the stator support on the pump housing and install the 23 bolts hand-tight.






5. Install the pump assembly in the torque converter housing and install 2 bolts hand-tight.






6. Tighten the 23 bolts.

- Tighten to 35 Nm {3.5 kgf-m, 26 ft-lbf}.






7. Remove the 2 bolts and the pump assembly from the torque converter housing.






8. Install a new seal on the Torque Converter Hub Seal Installer.






9. Using the Torque Converter Hub Seal Installer, install a new torque converter hub seal.






10. Install a new pump-to-torque converter housing seal.






11. Install a new turbine shaft seal on the Turbine Shaft Seal Installer.






12. Using the Turbine Shaft Seal Installer, install the turbine shaft seal.






13. Install a new O-ring on a new filter and lubricate it with clean automatic transaxle fluid.






14. Install the magnet on the filter.






15. Install the filter.
a. Position the filter in the pump

b. Rotate the filter counterclockwise 90 degrees.