Contents: Removal ⬇ Installation ⬇
Removal
Remove the clutch.

Unscrew the fork and remove the release bearing.
Pull the release lever upwards. Remove the fork and unscrew the release bearing guide sleeve.

(Text copied from a web portal opelbook.ru)
Use a screwdriver to remove the dirty sealing ring from the release bearing guide.
Installation
Caution: Before installing the clutch disc, check the cleanliness of the sealing ring in the release bearing guide. Always replace dirty ones.
Press a new sealing ring into the release bearing guide using KM-445 (f10 gearbox) or KM-518 (f16 gearbox) or other suitable tool.

Fill the sealing part of the ring with protective grease OPEL-ET-1948814/90001804.
Secure the release bearing guide to the clutch housing with a force of 5 Nm, having first installed a new dry rubber ring in the clutch housing.
Lightly lubricate the sliding surface of the guide with Moly paste OPEL-ET-1948524/90001825.
Check the clutch release bearing. Replace if worn.
Install the bearing with the fork and release lever and secure with a torque of 35 Nm.
Install the clutch.

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