Unscrew bolt "2" and remove the camshaft gear.

Remove the sealing ring using "1" from the "T20143/1" extraction hook.

Installation
Note: Do not lubricate the new lip seal.
Push the lip seal "1" over the pressing sleeve "T10478/3" onto the guide sleeve "T10478/2". Installation position: the closed side of the lip seal faces the pressing sleeve. Separate the pressing sleeve and the guide sleeve from each other.

Place the guide sleeve "T10478/2" with the lip seal "1" on the camshaft.

Press the lip seal in until it stops using the mandrel "T10478/1" and bolt "1" for fastening the camshaft gear. Install the toothed belt (adjust valve timing).

