Remove the input flange of the front axle differential

NOTE: TECHNICAL INFORMATION
It is imperative to clean the external thread on the drive shaft and remove any residues (microencapsulation).
Shavings or other residues must not remain in the components.

NOTE: TECHNICAL INFORMATION
It is mandatory to replace the radial shaft seal after having removed the drive flange!

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
Different variants may be installed depending on the vehicle equipment.

Determine which version of front axle transmission is installed.
Version A:
The oil drain plug (1) is positioned in front of the output shaft.

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Version B:
The oil drain plug (1) is positioned behind the output shaft.

Version A: Removing the drive flange of the front axle transmission

Position special tool 0 492 185 (33 2 140) with one screw (M8x30) (1) on the drive flange.
Turn screw (M8x30) (2) through the bore on the drive flange with nut (M8) (3) until hand-tight.
Tighten screw (M8x30) (1) hand-tight.
Release nut (4). Counter support special tool 0 492 185 (33 2 140) while doing this.

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Loosen screws (1). Remove nut (M8) in the process.
Remove special tool 0 492 185 (33 2 140) .

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Position the special tool 2 466 854 on the drive flange (1).
Hand-tighten the bolts (2).
Pull down and remove drive flange (1) from the bevel drive pinion by turning the spindle on special tool 2 466 854 . Counter support special tool 2 466 854 using a suitable tool (3).

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Cut a small hole in a cloth (1).
Slide cloth (1) over bevel drive pinion (2).

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Use thread file (1) to remove the adhesive residue.
The right thread pitch must be ensured!

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NOTE: TECHNICAL INFORMATION
Keep the connection on the bevel drive pinion of the front axle transmission clean and free of oil and grease.

Remove any adhesive residue thoroughly all around the thread on bevel drive pinion (1) using thread file (2).
Clean the thread and the gearing on bevel drive pinion (1).
Remove the cloth from bevel drive pinion (1).

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Version B: Remove the input flange of the front axle differential

Mark position of nut with respect to shaft with punch marks (arrow).
Lever out and remove lock plate (1) with a suitable tool.

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Position special tool 0 492 185 (33 2 140) with one screw (M8x30) (1) on the drive flange.
Hand-tighten the screw (M8x30) (2) through the bore on the drive flange with a nut (M8) (3).
Tighten screw (M8x30) (1) hand-tight.
Release nut (4). Counter support at the special tool 0 492 185 (33 2 140) while doing so.

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Loosen screws (1). Remove the (M8) nut.
Remove special tool 0 492 185 (33 2 140) .

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Position the special tool 2 466 854 on the drive flange (1).
Hand-tighten the bolts (2).
Pull down and remove the drive flange (1) by turning the spindle on the special tool 2 466 854 from the bevel drive pinion. Counter support with a suitable tool (3) at the special tool 2 466 854 .

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Cut a small hole in a cloth (1).
Slide cloth (1) over bevel drive pinion (2).

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Use thread file (1) to remove the adhesive residue.
Pay attention to the correct thread length without fail!

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NOTE: TECHNICAL INFORMATION
Keep the connection on the bevel drive pinion of the front axle transmission clean and free of oil and grease.

Thoroughly clean the thread all around on the bevel drive pinion (1) with the thread files (2) from the adhesive residues.
Clean the thread and the gearing on the bevel drive pinion (1).
Remove the cloth from the bevel drive pinion (1).

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