For 1990-2009 cars
- Inspect the input housing and shaft assembly for the following items:
- Inspect the turbine shaft oil seal ring grooves for damage or burrs. The oil seal rings (619) must fit loose into the ring grooves.
- Inspect the oil feed passages for obstructions.
- Apply compressed air into the passages indicated.
| • | Porosity |
| • | Spline wear |
| • | Three turbine shaft checkballs |
| • | Retainer and checkball assembly (620) |
| • | Orificed cup plug (698) |
| • | Lube hole cracks |
