Replacement
1. Disconnect the negative battery cable.
2. Lock the crankshaft and remove the pulley bolt.
3. Remove the crankshaft pulley.
4. Remove the timing belt and crankshaft sprocket.
5. Remember the depth of the seal and remove it with a special tool or with a screwdriver.
6. Clean the seal groove and lubricate the new seal with engine oil.
7. Install the new seal in place.
8. Install the remaining parts, start the engine and check for leaks.