27 21 030 Replacing Radial Shaft Seal For Front Axle Output (ATC 300)

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Special tools required:

27 1 450. See Fig 2.

IMPORTANT: After completion of work, check transmission oil level.
Use only the approved gear oil in this transfer case. See TRANSFER CASE - OPERATING FLUIDS .

Necessary preliminary tasks:

Remove front propeller shaft. See 26 11 000 REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT (CONSTANT-VELOCITY JOINT) .

Lever output flange (1) out of housing with screwdriver (2).

Lever radial shaft seal out of housing with a suitable tool.

IMPORTANT: Do not damage housing.

Fig 1: Identifying Output Flange And Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 450.

Fig 2: Identifying Special Tool (27 1 450)

Courtesy of BMW OF NORTH AMERICA, INC.