BMW 7 Series: Replacing Shaft Seal For Drive Flange On Rear Differential (Inserted Propeller Shaft)
Notes
IMPORTANT: Use only APPROVED OILS.
Failure to comply with this instruction will result in serious damage to the rear axle final drive!
Necessary preliminary tasks
- Remove THREE-HOLE FLANGE
Remove retaining clip (1) and insert nut (2) with diaphragm seal.
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Fig. 54: Identifying Retaining Clip And Nut
Mark position of flange nut (1) to bevel pinion (2).
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Fig. 55: Identifying Flange Nut And Bevel Pinion
Release flange nut with special tools 33 5 050 and 33 5 070 by gripping bevel pinion with special tools 33 5 060 and 33 5 070.
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Fig. 56: Gripping Bevel Pinion Using Special Tools (33 5 060) And (33 5 070)
Pull out radial shaft seal with special tool 00 5 010.
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Fig. 57: Pulling Radial Shaft Seal Using Special Tool (00 5 010)
Coat sealing lips of new radial shaft seal and sealing surface of bevel pinion with final drive oil.
Drive in radial shaft seal with special tool 33 5 080.
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Fig. 58: Installing Radial Shaft Seal Using Special Tool (33 5 080)
Clean bevel pinion thoroughly to remove remnants of screw locking agent.
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Fig. 59: Cleaning Bevel Pinion
Check dust plate for damage, replace if necessary.
IMPORTANT: Clean flange nut thoroughly to remove remnants of grease and screw locking agent.
Pack collar insert (1) of flange nut with grease.
Apply a thin coating of grease to shaded area (2) of flange nut.
Coat at least four thread turns of flange nut with "DREI BOND adhesive type 1385".
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Fig. 60: Identifying Pack Collar Insert And Grease Shaded Area
IMPORTANT: In order to avoid damaging the rear axle final drive, do not under any circumstances tighten down the flange nut (1) beyond the marker point of the bevel pinion (2).
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Fig. 61: Identifying Flange Nut And Bevel Pinion
Place insert nut (2) with diaphragm seal in flange nut.
Install retaining clip (1).
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Fig. 62: Identifying Insert Nut And Retaining Clip
After installation
- Check FINAL DRIVE OIL LEVEL , correct if necessary.
READ NEXT:
Final Drive Mounting
REPLACING ALL FRONT RUBBER MOUNTS FOR REAR FINAL DRIVE UNIT
MOUNTING
Notes
IMPORTANT: To ensure that the rear axle rubber mounts are securely seated
in the rear axle
support, observe a waiting period
Output Shafts
PRESSING OUTPUT SHAFT OUT OF DRIVE FLANGE AND DRAWING IN
Necessary preliminary work
Remove REAR WHEEL.
Remove REAR AXLE FINAL DRIVE.
IMPORTANT: Always place a new circlip on the output shaft reins
Rear Sub-Frame
LOWERING/RAISING REAR AXLE SUPPORT
SEE MORE:
Introduction
Anti-theft System
The anti-theft system is available as an option. The task of the anti-theft
system is to indicate unauthorized
access to the vehicle by emitting an alarm. The alarm can be triggered both
audibly and visually. To do this,
however, the anti-theft system must be activated. When acti
Instructions For Opening Contacts And Locks Of Different Plug
Contact Systems
Notes
SPECIAL TOOLS DESCRIPTION CHART
IMPORTANT: The contacts can be changed on ultrasonically welded plugs (1).
Ultrasonically welded plugs (1) must be replaced completely.
Ultrasonic-welded connectors (1) can be identified by the welds (2) on their
longitudinal side.
Fig. 174: Identifying Ultra
