Clutch Release Bearing: Description and Operation
Clutch Release Mechanism Overview
1 Transmission
2 Input Shaft Seal
• Removing and installing, refer to => [ Input Shaft Seal ] Input Shaft Seal.
3 Clutch Slave Cylinder with Release Bearing
• Must be replaced together because they are a single unit.
• Removing and installing, refer to => [ Slave Cylinder with Release Bearing ] Service and Repair.
• Do not wash the bearing, just wipe it off.
• Replace any loud bearings together with the clutch slave cylinder.
• There is a divided supply line on some slave cylinders, refer to => [ Slave Cylinder with a Divided Supply Line ].
• Approximately from 05.11, there is a release bearing with an additional plastic washer. Refer to => [ Approximately from 05.11: Release Bearing with an Additional Plastic Washer ] , and an adapted pressure plate, refer to => [ Only for Release Bearings with an Additional Plastic Washer: Pressure Plate Diaphragm Spring () with a Slightly Lower Installed Height ].
• Allocation, refer to the Parts Catalog.
4 Bolt
• Quantity: 3
• Always replace.
• Without locking fluid, tighten to 12 Nm (slave cylinder with a metal housing only).
• With locking fluid, tighten to 15 Nm (slave cylinder with a plastic housing only).
• Pay attention to the thread pitch on the bolt when cleaning the threaded holes in the clutch housing.
• Carefully tighten diagonally and in small stages so that the clutch slave cylinder bolt eyelets do not break off.
5 O-ring
• Installed on the hose/pipe assembly or pipe connection.
• Install using brake fluid.
• Allocation, refer to the Parts Catalog.
Slave Cylinder with a Divided Supply Line
The supply line is divided in the area of the - arrow - on some slave cylinders - A -.
Allocation, refer to the Parts Catalog.
Approximately from 05.11: Release Bearing with an Additional Plastic Washer
How to recognize: Tabs - arrow - on the plastic washer.
Only for Release Bearings with an Additional Plastic Washer: Pressure Plate Diaphragm Spring (- arrows -) with a Slightly Lower Installed Height
• Only install adapted release bearings and adapted pressure plates together.
Allocation, refer to the Parts Catalog.