24 13 014 Replacing Output Flange Shaft Seal (GA6L45R)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

23 0 020 . See 23 0 020 HOLDER .
23 1 210 . See 23 1 210 WRENCH SOCKET WAF 30 .

For the following special tools, refer to AUTOMATIC TRANSMISSION - SPECIAL TOOLS .

24 4 360
24 4 370

IMPORTANT: After completion of work, check transmission fluid level . See 00 11 237 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6L45R) . Use only the approved transmission fluid. Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

Remove underbody protection
Remove heat shields
Remove complete exhaust system . See EXHAUST SYSTEM COMPLETE .
Remove transmission crossmember . See 22 32 050 REPLACING CROSSMEMBER FOR TRANSMISSION MOUNTING .

Remove propeller shaft from transmission.
Release center bearing.
Tie propeller shaft to one side.

Tasks are described in Removing propeller shaft . See 26 11 000 REMOVING AND INSTALLING PROPELLER SHAFT (CARDAN UNIVERSAL JOINT) COMPLETELY .

NOTE: To rotate propeller shaft, unlock parking gear.

Release screws.

Remove transmission bearing block (1).

Tightening torque. See 24 71 6AZ in 24 71 TRANSMISSION MOUNTS .

Fig 1: Identifying Transmission Bearing Block

G04726103

Courtesy of BMW OF NORTH AMERICA, INC.

Grip output flange (1) with special tool 23 0 020 . See Fig 2.

Release nut with special tool 23 1 210 . See Fig 2.

Tightening torque. See 24 13 3AZ in 24 13 TRANSMISSION EXTENSION, BEARINGS, SEALS .

Installation:

Apply a streak of Loctite 277 over complete thread width.

Replace nut and secure with a mandrel (8 mm) by caulking.

Fig 2: Identifying Special Tools (23 0 020 And 23 1 210)

G04751786

Courtesy of BMW OF NORTH AMERICA, INC.

Detach output flange from output shaft.

Remove spacer.

Push special tool 24 4 360 onto output shaft (1). See Fig 3.

Locking hooks (2) must enter completely.

Fig 3: Identifying Special Tools (24 4 360) And Hooks

G04751787

Courtesy of BMW OF NORTH AMERICA, INC.

Turn locks (1) counterclockwise.

Screw in bolt (2) until radial shaft seal is released.

Fig 4: Turning Locks

G04751788

Courtesy of BMW OF NORTH AMERICA, INC.

Oil sealing lip on radial shaft seal (1).

Drive radial shaft seal (1) firmly home with special tool 24 4 370 . See Fig 5.

Fig 5: Identifying Radial Shaft Seal

G04751789

Courtesy of BMW OF NORTH AMERICA, INC.