Oil Pump: Removal

WARNING: This page is about a different car, the 2003 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.

Remove the transmission assembly from the vehicle. Refer to REMOVAL , Automatic Transmission Assembly.
Extract the torque converter clutch assembly. Refer to REMOVAL , Torque Converter Clutch Assembly.
Remove the input shaft.

Fig 1: Removing Input Shaft
Courtesy of SUBARU OF AMERICA, INC.
Lift-up lever behind the transmission harness connector and disconnect it from stay.
Disconnect inhibitor switch connector from stay.
Disconnect the air breather hose. Refer to REMOVAL , Air Breather Hose.
Remove the oil charger pipe. Refer to REMOVAL , Oil Charger Pipe.
Remove the oil cooler inlet and outlet pipes. Refer to REMOVAL , ATF Cooler Pipe and Hose.
Separation of torque converter clutch case and transmission case sections. Refer to REMOVAL , Torque Converter Clutch Case.
Separate transmission case and extension case sections. Refer to REMOVAL , Extension Case.
Remove the reduction driven gear. Refer to REMOVAL , Reduction Driven Gear.
Loosen the taper roller bearing mounting bolts.

Fig 2: Loosening Taper Roller Bearing Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Place two wooden blocks on the workbench, and stand the transmission case with its rear end facing down.
NOTE:
- Be careful not to scratch the rear mating surface of the transmission case.
- Note that the parking rod and drive pinion protrude from the mating surface.
Fig 3: Standing Transmission Case
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil pump housing and adjusting thrust washer.

Fig 4: Removing Oil Pump Housing & Adjusting Thrust Washer
Courtesy of SUBARU OF AMERICA, INC.
Remove the oil seal retainer. Also remove the O-ring and oil seal (air breather).

Fig 5: Removing Oil Seal Retainer
Courtesy of SUBARU OF AMERICA, INC.
Remove O-rings from oil pump housing.
Remove the drive pinion assembly.