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Home >> BMW >> 2017 >> X3 sDrive28i >> Repair and Diagnosis >> External Pages >> Different car >> Section 372 (Engine - Repair) >> Housing Cover >> 11 14 141 Replacing radial shaft seal in lower timing case cover (N63)

11 14 141 Replacing radial shaft seal in lower timing case cover (N63)

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

Special tools required: 

Necessary preliminary work: 

Position all levers (2) horizontally to pull off radial shaft seal (1).

Turn back spindle of special tool 11 9 410 until all levers (2) can be positioned on sealing lip.

Fig 1: Pulling Radial Shaft Seal
G09951835Courtesy of BMW OF NORTH AMERICA, INC.

Turn all levers (2) so that they grip behind radial shaft seal (1).

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

Fig 2: Removing Radial Shaft Seal
G09951836Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Radial shaft seal (1) may only be supported with "support sleeve" (2).

If the radial shaft seal (1) is stored for more than six months without the support sleeve (2), its operational reliability will no longer be guaranteed.

Radial shaft seal (1) must not be reused in this case! 

IMPORTANT: The sealing lip of the radial shaft seal (1) is highly sensitive and must not be kinked under any circumstances.
Do not touch the sealing lip with your fingers.
Fig 3: Identifying Radial Shaft Seal And Support Sleeve
G09951837Courtesy of BMW OF NORTH AMERICA, INC.

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

Fit radial shaft seal (1) on lower gear case cover.

Fig 4: Identifying Radial Shaft Seal
G09951838Courtesy of BMW OF NORTH AMERICA, INC.

Using special tool 11 9 420 and central bolt (3), screw radial shaft seal into lower gear case cover until flush.

Fig 5: Identifying Special Tool (11 9 420) And Central Bolt
G09951839Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.