Securing the propeller shaft on the rear axle differential

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NOTE: RISK OF DAMAGE
Damage to the prop shaft during installation.
Non-observance of the installation guidelines for the prop shaft on the rear axle differential may cause severe damage.

Always replace the recessed nut on the rear axle differential. Screw lock must be available.
Strictly observe a minimum hardening time of three hours after having screwed in the recessed nut. The hardening time may be longer at lower temperatures.

Remove retaining ring (1) and seal (2) .

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Remove recessed nut (1) .

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Clean all residue from the recessed collar (1) of the twelve-edge flange nut, the gearing on the bevel drive pinion (2) and the taper (3) and degrease.
Remove adhesive residue.
Top up the collar insert (1) with grease.
While greasing the recessed collar (1) , it must be noted without fail that the gearing of the bevel drive pinion (2) remains absolutely free of grease.

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CONSUMABLE SPECIFICATION

Lubricating grease Optitemp HT 1 LF 50 g, Tube 83230417754
Replace recessed nut (1) , retaining ring (2) and the seal.
Parts: Recessed nut, retaining ring, seal
Insert the recessed nut (1) with the seal into the recessed collar of the twelve-edge flange nut.
Mount retaining ring (2) .

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To remove the adhesive residue on the thread, use thread file (1) .
The right thread pitch must be ensured!

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NOTE:
RISK OF DAMAGE
Damage to the output flange.
Failure to observe the greasing specifications may lead to damage on the output flange.
- Do not contaminate the thread of the output flange with grease.
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Remove any adhesive residue on thread (1) , hub gearing (2) and taper (3) .
Clean the thread (1) , hub gearing (2) and taper (3) .
NOTE: TECHNICAL INFORMATION
The prop shaft must be connected with the output flange and tightened within 12 min after applying the adhesive.
Apply the adhesive all around on the inside of the gearing on prop shaft (3) . Ensure that the adhesive uniformly fills all the tooth gaps approx. 5 mm wide.
Dimension (1) = 10 mm

Dimension (2) = 10 mm

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ADHESIVE SPECIFICATION

Adhesive Loctite 648 50 ml, Bottle 07589067732

NOTE: TECHNICAL INFORMATION
Secure component against falling.
Release and remove the special tool 2 413 317 from the prop shaft (1) .

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Loosen screws (1) .

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Slide prop shaft (1) onto recessed nut (2) in the arrow direction up to the stop.
Guide recessed nut (2) onto prop shaft (1) by hand with a few turns.

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Position the central mount (1) .
Position the central mount (1) with the designation TOPPING facing upwards in the transmission tunnel.

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Position central mount.
Screw in the screws (1) by a few turns.

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Counter support prop shaft (1) using special tool 5 A4A EB5 and suitable tool (2) on the middle universal joint.

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NOTE:
RISK OF DAMAGE
Damage to the flange nut.
Failure to observe the installation specifications may lead to serious damage to the flange nut and the rear axle differential.
- Do not use the twelve-edge flange nut as counter support.
- Screw in the recessed nut within 5 minutes.
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NOTE:
RISK OF DAMAGE
Noncompliance with the installation specifications of the prop shaft.
Damage to the prop shaft.
- After installing the prop shaft and screwing the recessed nut, the hardening time of at least 3 h must be maintained.
- Do not move (and do not slide) the vehicle during the hardening time.