11 14 151 Replacing crankshaft radial shaft seal (N62 / N62TU)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

11 2 390 . See ENGINE- SPECIAL TOOLS .

(transmission side)

Necessary preliminary tasks:

Remove transmission . See appropriate article in TRANSMISSIONS. See 24 00 023 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (6HP26Z/N62TU) FROM 03/07 , 23 00 018 REMOVING AND INSTALLING TRANSMISSION (GS6-53BZ) N62/N62TU or 23 00 112 REMOVING AND INSTALLING TRANSMISSION (GS6S53BZ SMG) .
Drain off engine oil . See 00 00 610 ENGINE OIL SERVICE (N62/N62TU) .
Remove flywheel

Release screws (2).

Release screws (1).

Carefully remove end cover.

Fig 1: Identifying Screws

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IMPORTANT: The sealing lip of the radial shaft seal is highly sensitive and must not be kinked.
Do not touch the sealing lip with your fingers.

NOTE: Support sleeve (2) is included in scope of delivery.

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.

The support sleeve (2) remains in the radial shaft seal and is used as a slip sleeve in the installation described later.

Fig 2: Identifying Support Sleeve And Radial Shaft Seal

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IMPORTANT: Special tool 11 2 390 must not be used.

When the radial shaft seal is installed, only the support sleeve included in the scope of delivery may be used as a slip sleeve.

Fig 3: Identifying Special Tool (11 2 390)

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NOTE: The radial shaft seal can only be replaced completely with the end cover.

The gasket is an integral part of the end cover and cannot be replaced individually.

Installation:

Check dowel sleeves (1) for damage and correct installation position.

Keep sealing faces clean and free of oil.

Coat contact points on joint along oil sump with

Drei Bond 1209.

Fig 4: Identifying Dowel Sleeves

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Installation:

Lightly oil running surface of crankshaft.

Fit end cover (1) with support sleeve (2) on crankshaft and push on carefully.

Fig 5: Identifying Support Sleeve And End Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screws (1) and initially tighten without play.

Insert screws (2) and initially tighten without play.

Tighten down screws (1).

Tighten down screws (2).

Fig 6: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.