27 21 010 Replacing radial shaft seal for drive shaft (ATC 700)

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

23 0 490 (Puller)
27 1 460

IMPORTANT: After completing work, check GEAR OIL LEVEL and top up if necessary.
Use only approved transmission oil for this transfer case. See TRANSFER BOX - OPERATING FLUIDS .

Necessary preliminary tasks:

Remove TRANSFER BOX .

Drive a hole into radial shaft seal (1) using a centre punch (2).

IMPORTANT: Do not use a drill as drillings may result in transmission malfunction.

Fig 1: Driving Hole Into Radial Shaft Seal Using Centre Punch

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 23 0 490 (Puller).

Drive out radial shaft seal (1) with impact weight (2).

Fig 2: Driving Out Radial Shaft Seal With Impact Weight Using Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 460 .

Fig 3: Driving In Radial Shaft Seal Using Special Tool (27 1 460)

Courtesy of BMW OF NORTH AMERICA, INC.

Reassemble the vehicle.

Check oil level.

Check transmission for leaks.