Envoy 2WD V8-5.3L VIN M (2005)
6. Thread J 41479 threaded rod into the tapered cone until the tool (1) contacts the oil seal.
7. Align the oil seal into the tool (1).
8. Rotate the handle of the tool (1) clockwise until the seal enters the rear cover and bottoms into the cover bore.
9. Remove J 41479.
10. Install the engine flywheel.