33 10 024 Replacing both radial shaft seals for output shafts at rear axle differential

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Special tools required:

00 5 010
33 1 308
27 1 370

Necessary preliminary work:

Remove REAR AXLE FINAL DRIVE .

Pull out radial shaft seal with special tools 00 5 010 and 33 1 308 .

Fig 1: Pulling Out Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Coat housing sheet metal flange and sealing lips of new radial shaft seal with approved final drive oil. Refer to OPERATING FLUIDS .

Drive new radial shaft seal to limit position with special tools 27 1 370 .

Fig 2: Removing Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The installation protective ring (1) serves to protect the sealing lips of the radial shaft seal (2) when installing the output shaft.

Fig 3: Identifying Protective Ring And Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

High installation forces indicate that the output shaft spline teeth are damaged or deformed!

Check gearing and replace components if damaged.

Check dust plate (1) for damage, renew if necessary.

If the previous output shaft is reinstalled, circlip (2) must be renewed.

Coat highlighted contact surface (3) of output shaft with approved final drive oil. Refer to OPERATING FLUIDS .

Fig 4: Identifying Dust Plate, Circlip And Contact Surface

Courtesy of BMW OF NORTH AMERICA, INC.

Insert output shaft into rear axle final drive.

Pull out assembly protection ring at lug (1) until one of the two predetermined breaking points gives.

Fig 5: Identifying Protection Ring At Lug

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Check TRANSMISSION OIL LEVEL , correct if necessary.