Detaching wheel bearing inner ring from drive flange (drive flange removed)

Special tools required: 

• 33 4 409
• 33 4 405
• 334401
• 33 4 403
• 33 4 404
• 33 4 402
• 33 4 400

Insert special tool 33 4 405 into special tool 33 4 401.

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Position special tool 33 4 401 in conjunction with 33 4 405 on drive flange.

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Tension special tool 33 4 401 with spanners 33 4 403 and 33 4 404 together until special tool is resting against wheel bearing inner ring.

Unscrew spindle 33 4 402 as far as is possible.

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Use special tools:

• 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: 

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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 illustration
• Turn spindle of special tool 33 4 400 as far as it will go.

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

Vehicle components: 

I	Drive flange hub
II	Wheel bearing inner ring

Required components for all models and types: 

F3	Spindle M24 (length 270 mm)
1	Hydraulic unit
E3	Washer M24
C1	Holding sleeve
B1	Adapter
33 4 400	Special tool

* Components specific to model and type: 

K3	Screws M12 x 1.5