26 11 000 Removing And Installing Propeller Shaft (Inserted) Completely

Special tools required: 

• 00 9 120  , see Fig 4.
• 00 9 130  , see 00 9 130 MAGNET WITH 1/2" CONNECTION .
• 33 5 040  , see Fig 6.
• 33 5 070  , see 33 5 070 EXTENSION PIECE (2) .

Necessary preliminary tasks: 

• Remove complete exhaust system  , see 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N54) .
• Remove assembly underside protection with brackets
• Remove heat shields

Important!  To avoid buzzing sound after refitting the propeller shaft:

The flexible disc connection (1) on the front at the propeller shaft must be marked in one plane with the flexible disc (2) and the three-bolt flange (3) before removal.

During installation the three-bolt flange (3) must be forced back together again with the flexible disc (2) in the same position.

Replace ZNS bolts and self-locking nuts.

Fig 1: Refitting Propeller Shaft

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Release screws.

Installation: 

• Replace ZNS bolts and self-locking nuts.
• Grip mounting bolts of flexible disc at nuts and tighten down by way of bolts.
  Fig 2: Locating Mounting Bolts Of Flexible Disc

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Installation: 

Check centering mount.

If necessary, replace damaged centering mount  , see 26 11 090 REMOVING AND INSTALLING/REPLACING FRONT CENTERING MOUNT FOR PROPELLER SHAFT .

Grease centering mount.

Fig 3: Locating Centering Mount

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Installation: 

Tighten down screws/bolts to specified torque.

Secure special tool angle of rotation 00 9 120 with magnet 00 9 130 to underbody and continue bolting according to angle of rotation, see Fig 4.

Tightening torque, see 26 11 1AZ in PROPELLER SHAFT ASSEMBLY .

Fig 4: Securing Special Tool Angle Of Rotation 00 9 120 With Magnet 00 9 130

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Slacken screws (1)

Tightening torque, see 26 11 6AZ in PROPELLER SHAFT ASSEMBLY .

Using a suitable tool (2), secure propeller shaft at center universal joint against turning.

Remove screws of center mount fully only after opening insert nut.

Fig 5: Securing Propeller Shaft At Centre Universal Joint Using Suitable Tool

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Release insert nut against direction of travel in clockwise direction  with special tools 33 5 040 and 33 5 070. See Fig 6.

Tightening torque, see 26 11 1AZ in PROPELLER SHAFT ASSEMBLY .

Fig 6: Releasing Insert Nut Using Special Tools 33 5 040 And 33 5 070

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

Installation: 

Retaining clip and seal must be replaced.

Fig 7: Identifying Retaining Clip And Seal

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Remove insert nut (1).

Installation: 

Insert nut must be replaced.

Fig 8: Identifying Nut

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Before installing propeller shaft:

Clean insert collar (1) on flange nut and spline teeth on bevel pinion (2).

Fill insert collar (1) with grease.

Fig 9: Identifying Collar And Teeth Of Bevel Pinion

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Clean thread (1) of joint hub to remove adhesive residues.

Clean hub teeth (2), then coat with grease.

Fig 10: Identifying Thread And Hub Teeth

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Place insert nut (1) with seal in insert collar of flange nut.

Install retaining clip (2).

Fig 11: Identifying Nut And Retaining Clip

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Slide propeller shaft (1) as far as it will go onto insert nut and secure.

Secure propeller shaft at center universal joint against turning with a tire iron.

Insert nut must be screwed into place within 5 minutes  .

Tightening torque, see 26 11 1AZ in PROPELLER SHAFT ASSEMBLY .

Fig 12: Identifying Propeller Shaft And Bihexagonal Flange Nut

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