BMW 7 Series: Replacing Shaft Seal For Drive Flange Left Or Right
Necessary preliminary tasks
- Remove REAR AXLE FINAL DRIVE
Use special tools 00 5 010 and 32 1 060 /33 1 308 to remove radial shaft seal
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Fig. 35: Removing Radial Shaft Seal Using Special Tools (00 5 010) And (32 1
060)
Installing new shaft seal
NOTE: The installation protective ring (1) serves to protect the sealing lips on radial shaft seal (2) when the output shaft is being installed.
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Fig. 36: Identifying Protective Ring And Sealing Lips On Radial Shaft Seal
IMPORTANT: Installation protective ring (1) must not slip out of radial shaft seal!
Coat housing of sheet metal flange of radial shaft seal with APPROVED FINAL DRIVE OIL.
Drive in radial shaft seal as far as it will go with following special tools (depending on rear axle final drive/outer diameter).
33 5 130
33 5 140
Remove special tool.
Open installation protective ring (1).
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Fig. 37: Installing Radial Shaft Seal Using Special Tools (33 5 130) And (33
5 140)
IMPORTANT: High installation forces indicate that the output shaft spline teeth are damaged or deformed! Check gearing, replace damaged parts if necessary.
Check dust plate (1) for damage, renew if necessary.
Replace circlip (2).
Coat highlighted contact surface (3) of output shaft with APPROVED FINAL DRIVE OIL.
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Fig. 38: Identifying Dust Plate, Circlip And Coat Highlighted Contact Surface
Insert output shaft into rear axle final drive.
Pull out assembly protection ring at lug (1) until one of the two programmed rupture points gives.
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Fig. 39: Identifying Lug
After installation
- Check FINAL DRIVE OIL LEVEL , correct if necessary
READ NEXT:
Checking/Topping Up Oil Level In Rear Differential
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Risk of damage!
To avoid serious damage to the rear
Replacing Cover Gasket On Rear Differential (205AL/225AL) At Rear
IMPORTANT: In event of oil loss, always check rear axle final drive for
traces of wear and
damage.
Necessary preliminary work
Catch or draw off final drive oil.
Remove REAR AXLE FINAL DRIVE.
NOTE
SEE MORE:
Removing And Installing/Replacing Right Exhaust Manifold (N63)
WARNING: Risk of burning!
Only perform this repair work on an engine that has cooled down.
Necessary preliminary work
Remove left TURBOCHARGER.
Remove right TURBOCHARGER.
Remove ALTERNATOR (not F04).
Release screws (1).
Tightening torque 18 31 4AZ.
Fig. 59: Identifying Screws
Release screws (
Venting Cooling System For Intercooler (N63)
Notes
WARNING: Danger of scalding!
Open sealing cap only after engine has cooled down.
IMPORTANT: Cooling system for intercooler has a separate cooling circuit.
Coolant is added at intercooler expansion tank.
Electric coolant pump!
FOLLOW INSTRUCTIONS FOR WORKING ON COOLING SYSTEM.
IMPORTANT: Life
