33 41... Detaching wheel bearing inner ring from drive flange (drive flange removed)

Special tools required: 

• 33 4 409
• 33 4 407
• 33 4 401
• 33 4 403
• 33 4 404
• 33 4 402
• 33 4 400

Fig 1: Identifying Pliers (33 4 407) And Special Tool (33 4 401)

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Insert pliers 33 4 407 into special tool 33 4 401 .

Position special tool 33 4 401 in conjunction with 33 4 407 on drive flange.

Fig 2: Positioning Special Tool (33 4 401) With (33 4 407) On Drive Flange

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Pull special tool 33 4 401 together with rings 33 4 403 and 33 4 404 until the pliers 33 4 407 are fitted flush in the groove between the drive flange and wheel bearing inner ring.

Unscrew spindle 33 4 402 as far as is possible.

Fig 3: Pulling Special Tool With Rings (33 4 403) And (33 4 404)

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Use special tool:  .

• Hydraulic unit - 81 64 2 155 744
• Adapter kit 1 - 81 64 2 155 745
• Adapter kit 2 - 81 64 2 155 746

The following work steps describe pulling off the wheel bearing inner ring: 

Fig 4: Identifying Wheel Bearing Inner Ring Arrangement

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• Pressure cylinder of hydraulic unit (1) must be in the initial position.
• Spindle F3 must terminate flush with hydraulic unit (1).
• Assemble special tool, see Fig 4.
• Turn spindle of special tool 33 4 400 up to limit position.

The following tools are required for detachment, consult graphic for arrangement:

Vehicle components: 

Required components for all models and types: 

* Components specific to model and type: