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

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:

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 3.0 APPROVED AUTOMATIC TRANSMISSION FLUIDS FOR INITIAL FILLINGS AND CORRECTING FLUID LEVELS .
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

Remove complete exhaust system . See 00 EXHAUST SYSTEM COMPLETE .
Remove transmission underbody protection (E65 only).
Remove heat shield.
Support transmission from underneath.

Remove transmission cross-member . See 22 32 050 REPLACING CROSS-MEMBER FOR TRANSMISSION MOUNTING .

NOTE: Illustration shows E65.

Fig 1: Identifying Transmission Cross-Member

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Release screws and remove transmission supporting block from transmission.

Tightening torque. Refer to AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

NOTE: Illustration shows E65.

Fig 2: Identifying Mount Transmission Block

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Release propeller shaft from transmission and center mount and tie to one side.

NOTE: To rotate propeller shaft, unlock parking gear.

Fig 3: Locating Bolts

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

Release nut with special tool 24 2 380 .

Tightening torque. Refer to AUTOMATIC TRANSMISSION - TIGHTENING TORQUES .

Installation:

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

Fig 4: Identifying Output Flange And Special Tool (24 2 380)

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Detach output flange from output shaft.

Remove spacer.

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

Fig 5: Identifying Output Flange And Special Tool (24 2 353)

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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 Tools (24 2 351)

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

Fig 7: Identifying Radial Seal And Special Tool (24 2 370)

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