Aisin AY6 - Manual Transmission

Mainshaft Rear Oil Seal Replacement

Tools Required
^ J6125-1B Slide Hammer
^ J23129 Universal Seal Remover
^ J29873 Injector Nozzle Socket 30 mm
^ J44765 Seal Installer
^ J45012 Holding Fixture
^ J45019 Flange and Pinion Gage Remover

Removal Procedure





1. Place the transmission in neutral.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the propeller shaft (6).





4. Using a flat bladed tool, disengage the staked portion of the drive flange nut.
5. Install J45012 to the drive flange.
6. While holding J45012, loosen the flange nut using J29873.
7. Remove J45012.





8. Remove and discard the drive flange nut (126).
9. Remove and discard the drive flange O-ring seal (193).
10. Using J45019, remove the drive flange (108).





11. Using J6125-1B and J23129 remove the transmission case extension seal (1).

Installation Procedure





1. Important: Install the seal onto the tool before installing into the case to prevent damage to the seal.

Using J44765 install the new transmission case extension seal (1).





2. Install the drive flange (108) to the transmission output shaft.
3. Install a NEW drive flange O-ring seal.
4. Install a NEW drive flange nut (126) until finger tight.





5. Install J45012 to the drive flange.

6. Notice: Refer to Fastener Notice in Service Precautions.

While holding J45012, tighten the drive flange nut using J29873.
Tighten the drive flange nut to 57 Nm (42 ft. lbs.).
7. Remove J45012 from the drive flange.
8. At the correct location, stake the drive flange nut.





9. Install the propeller shaft (6).
10. Lower the vehicle.