1. Remove the toothed drive belt (Chapter 5).
2. Remove the camshaft sprocket (Chapter 6).
3. Remove the old oil seal with a screwdriver, being careful not to damage the sealing surface.
4. Lightly coat the projections of the new seal with engine oil.
5. Place the seal, straight perpendicular in the hole, with the lips facing inward. Using an appropriately sized pipe, press fully and evenly place the gland into the seat.
6. Install sprocket, timing belt and cover.