Crankshaft Rear Oil Seal Removal -- Continued.
Ensure all six sheet metal screws are threaded through both the inner and outer seal casings.
Sheet metal screws need to be uniformly tightened in order to simultaneously remove the inner
and outer casings of the crankshaft rear oil seal.
9. Drill remaining four holes 0.39 in (10 mm) deep, and install four sheet metal screws (Figure 2, Item 4).
Figure 3. Crankshaft Rear Oil Seal ― Removal.