Rear crankshaft oil seal (flywheel side) — replacement (Opel Ascona C)

1. Remove the clutch (see chapter 5).

2. Remove the flywheel (see section 13).

3. Remove the old seal by prying it up with a hook.

4. Lubricate the lips of the new seal. Since there is not enough space to hammer it into place, you can use a bolt with a thick nut and a piece of tube inserted between the outer surface of the seal and the guide sleeve of the clutch release bearing. By gradually unscrewing the nut, you can drive the seal back into place.

5. Install the flywheel and clutch in the reverse order.

(Text copied from an internet website: opelbook)