33 17 004 Replace the rubber mounts for the front of the rear axle final drive suspension

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Special tools required:

Necessary preliminary tasks:

Remove exhaust system . See 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N47 D20 O1) , 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N55) or 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N52T) .
Remove PROPELLER SHAFT AT FINAL DRIVE .

Position special tool 33 5 200 on workshop jack.

Support rear axle final drive unit with special tool 33 5 200 .

Lash rear axle final drive unit with tightening strap 33 5 206 to special tool 33 5 200 .

IMPORTANT: Tensioning strap 33 5 206 must be pass through between output shafts and rear axle final drive cover!

Fig 1: Positioning Special Tool (33 5 200) On Workshop Jack

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Release screws (1).

Tightening torque 33 17 1AZ .

Installation note:

Adhere to the installation sequence at the end of the document in order to prevent distortion of the rear axle final drive during installation and thereby avoid potential complaints about noise.

Fig 2: Identifying Screws

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Slacken nut (1).

Tightening torque 33 17 2AZ .

Only N47: Remove vibration absorber (2) with holder.

Installation note:

Replace nut.

Adhere to the installation sequence at the end of the document in order to prevent distortion of the rear axle final drive during installation and thereby avoid potential complaints about noise.

Fig 3: Identifying Vibration Absorber With Holder, Nut

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Lower rear axle final drive with special tool 33 5 200 .

Fig 4: Identifying Lower Rear Axle Final Drive And Special Tool (33 5 200)

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Pull out rubber mount with special tools 33 5 166 , 33 5 163 , 33 5 162 , 33 5 161 , 33 4 466 and 33 4 465 .

NOTE: The milled recess of special tool 33 5 162 must point outward toward the rear axle support.

Use ratchet ring spanner 33 5 105 .

Fig 5: Pulling Out Rubber Mount With Special Tools 33 5 166

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IMPORTANT: Coat the bearing bush on the rear axle support and the new rubber mount with Circo Light.

Align rubber mount horizontally by way of slots (1).

Fig 6: Identifying Rubber Mount Slots

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Insert rubber mount (1) in special tool 33 5 164 .

Draw in rubber mount (1) with special tools 33 5 165 , 33 5 164 , 33 5 163 , 33 4 466 and 33 4 465 as far as it will go.

NOTE: Use ratchet ring spanner 33 5 105 .

Fig 7: Drawing In Rubber Mount With Special Tools 33 5 165

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Assembly sequence:

Insert the rear axle final drive into the rear axle support using the workshop jack and special tool 33 5 200 .
Insert screws (1) (do not tighten).
Insert bolt from rear and replace nut (2) (do not tighten down).
Release tensioning strap, lower special tool 33 5 200 and move away.
Tighten down screws (1).
Tightening torque 33 17 1AZ .
Tighten nut (2).
Tightening torque 33 17 2AZ .

Fig 8: Identifying Rear Axle Support Screws And Nut
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