11 14 141 Replacing Radial Shaft Seal In Timing Case Cover At Bottom (N62/N62TU)

WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 9 410
11 9 420

Necessary preliminary tasks:

Removing hub for vibration damper . See 11 23 031 REMOVING AND INSTALLING/REPLACING VIBRATION DAMPER HUB (N62/N62TU) .

Position lever (2) for removing radial shaft seal (1) horizontally and install special tool 11 9 410.

Fig 1: Identifying Radial Shaft Seal And Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Turn lever (2) so that it grips behind radial shaft seal (1).

Turn bolt (3) on special tool 11 9 410 to remove radial shaft seal (1).

Fig 2: Identifying Radial Shaft Seal And Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Radial shaft seal may only be supported with a "support sleeve".

If the radial shaft seal (1) is stored for longer than six months without the support sleeve (2), its operational reliability can no longer be guaranteed and it must not be reused.

IMPORTANT: The sealing lip of the radial shaft seal is highly sensitive and must not be kinked under any circumstances.

Do not touch the sealing lip with your fingers.

Remove support sleeve (2) from radial shaft seal (1).

Fig 3: Identifying Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Fit radial shaft seal (1) on timing case cover.

Fig 4: Identifying Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Using special tool 11 9 420 and central bolt (3), install radial shaft seal flush with timing case cover.

Fig 5: Identifying Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.