24 13 012 Replacing Output Flange Shaft Seal (GA6HP26Z/6HP32Z)

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Special tools required:

23 0 020
24 2 351
24 2 352
24 2 353
24 2 370
24 2 380

IMPORTANT:

After completion of work, check gear oil level . See 00 11 500 CHECKING/TOPPING UP FLUID LEVEL IN AUTOMATIC TRANSMISSION (GA6HP26Z/6HP32Z) .

Use only the approved gear oil . See AUTOMATIC TRANSMISSION - OPERATING FLUIDS .

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

Remove complete exhaust system . See 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N62TU)
Remove transmission underbody protection (E65 only).
Remove heat shield . See 24 00 023 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION (6HP26Z/6HP32Z)
Support transmission from underneath.

Remove transmission cross-member . See 22 32 001 REPLACING RUBBER MOUNT FOR TRANSMISSION MOUNTING

NOTE: Illustration shows E65.

Fig 1: Identifying Transmission Cross-Member

G04759399

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws and remove transmission supporting block from transmission.

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

NOTE: Illustration shows E65.

Fig 2: Locating Transmission Supporting Block Screws

G04759385

Courtesy of BMW OF NORTH AMERICA, INC.

Release propeller shaft from transmission and center mount and tie to one side. See 26 11 000 REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT

NOTE: To rotate propeller shaft, unlock parking gear.

Fig 3: Locating Propeller Shaft Bolts

G04726116

Courtesy of BMW OF NORTH AMERICA, INC.

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

Release nut with special tool 24 2 380 . See 24 2 380 SOCKET BIT WAF 34

Tightening torque: 24 13 2AZ . See 24 13 TRANSMISSION EXTENSION, BEARINGS, SEALS

Installation:

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

Fig 4: Identifying Special Tool (24 2 380) & (23 0 020)

G04726118

Courtesy of BMW OF NORTH AMERICA, INC.

Detach output flange from output shaft.

Remove spacer.

Attach special tool 24 2 353 to output shaft (1).

Fig 5: Identifying Special Tool (24 2 353)

G04726119

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 24 2 351 until it is firmly connected with shaft seal.

Pull out radial shaft seal by screwing in special tool 24 2 352 .

Fig 6: Identifying Special Tool (24 2 352) & (24 2 351)

G04726120

Courtesy of BMW OF NORTH AMERICA, INC.

Oil sealing lip of radial seal (1). Drive in radial seal (1) with special tool 24 2 370 as far as it will go. See 24 2 370 DRIFT

Fig 7: Identifying Special Tool (24 2 370)

G04726121

Courtesy of BMW OF NORTH AMERICA, INC.