Installing the complete prop shaft

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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.

Observe following installation sequence:
- Position prop shaft on transmission.
- Position the prop shaft at the rear axle differential.
- Position central mount.
Observe the following screwing sequence:
- recessed nut
- Flexible disc to transmission
- Central mount
NOTE: TECHNICAL INFORMATION
For all-wheel drive vehicles from the 5 Series and 7 Series, the aluminum flexible discs have been eliminated and replaced with elastic flexible discs made of rubber as of production date 09/2015.
Check centering (1) for damage; replace if necessary.

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Check the centering (arrow) for damage and replace if necessary.

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Apply a thin coat of grease to the soft centering (1), if necessary.

CONSUMABLE SPECIFICATION

Lubricating grease Olistamoly 2 LN 584 LO

100 g, Tube

83 19 0 447 919

Do not grease the hard centering (2).

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Clean the recessed collar (1) of the twelve-edge flange nut and the gearing on the bevel drive pinion (2) of all residues and degrease.
Top up the collar insert (1) with grease.
CONSUMABLE SPECIFICATION

Lubricating grease Optitemp HT 1 LF 50 g, Tube 83230417754

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Use thread file (1) to remove any adhesive residue on the thread.
The thread pitch must be correct!

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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.
Clean adhesive residue from the thread (1) of the propeller shaft hub.

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Clean hub gearing (2) and taper (3).
It is essential to grease the hub gearing (2) and the taper (3).
CONSUMABLE SPECIFICATION

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

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Mount the three-hole flange (3) without fail with the flexible disc (2) on the same position again to prevent humming of the drivetrain after reinstalling the prop shaft.
Replace ZNS screws and self-locking nuts (1).
Parts: ZNS screws, self-locking nuts

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Position the screws and nuts (arrows).

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Push the prop shaft (1) in arrow direction against the recessed nut (2) up to the stop.
Unscrew the recessed nut (2) by at least 2 threads manually on the prop shaft (1) and fasten it.

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Central mount with the TOPPING designation:
Central mount (1) must be installed with the designation TOPPING at the top in the transmission tunnel.

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Position central mount.
Position screws (1).

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Variant with a narrow universal joint:
Secure the prop shaft (1) from twisting with the special tool 2 464 898 and a suitable tool (2) on the center universal joint.

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Variant with a wide universal joint:
Secure the prop shaft from twisting with a suitable tool (1) and on the center 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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Screw in the recessed nut counterclockwise in the arrow direction with special tools 0 495 554 (33 5 070) and 0 496 959 (33 0 080) .
The recessed nut must be screwed in within 5 min.

Hold down mounting bolts of the flexible disc on the nut and tighten via the screw.

TIGHTENING TORQUES SPECIFICATION

Rear flexible disc to three-hole flange
M12 Replace screws. Joining torque and angle of rotation must be observed without fail. Tightening via screw.	Joining torque	55 Nm
	Angle of rotation	90°

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Fasten the angle of rotation special tool 0 490 504 (00 9 120) with the magnet special tool 0 495 108 (00 9 130) on the vehicle underbody and continue to screw in according to angle of rotation.
Tighten down screws (1).

TIGHTENING TORQUES SPECIFICATION

Central mount to body
M8	Tightening torque	19 Nm

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