21 51 500 Remove and install or replace disengagement module (GS6-58/59 BG/DG)

Preliminary work needed: 

• Remove TRANSMISSION .

Do not disassemble the release module.

Removal: 

Release bearing (1) and release lever (2) have been combined to form a single release module.

Do not  grease sliding surfaces.

Fig 1: Bearing And Release Lever

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Press wire spring (1) through clutch release lever (2).

Remove disengagement module (2).

Fig 2: Wire Spring And Clutch Release Lever

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Preparation for installation: 

When replacing the disengagement module, the ball hub, wire spring and guide sleeve must also be replaced. 

Clean all sliding surfaces on release bearing.

Do not grease release bearing.

Installation: 

When replacing the disengagement module, the ball hub must also be replaced!

Fig 3: Checking Ball Hubs Diameter

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Lightly grease ball hub (2).

Grease:

Refer to OPERATING FLUIDS

Only for replacement of disengagement module: 

Remove wire spring (1).

Carefully remove ball hub (2).

Carefully drive in ball hub (2). The ball hub may be damaged by twisting or when the steering angle of >5°!

Fig 4: Wire Spring And Ball Hub

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Only during replacement of disengagement module: 

Loosen screws (1).

Replace guide sleeve (2).

Fig 5: Guide Sleeve And Screws

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Clip in wire spring (1) into disengagement module (2).

Install disengagement module (2).

Fig 6: Wire Spring And Clutch Release Lever

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