23 12 059 Replacing radial shaft seal for output shaft (GS6-53BZ/DZ): Notes

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: After completion of work, check TRANSMISSION OIL LEVEL .
Use only approved fluids. See MANUAL TRANSMISSION - OPERATING FLUIDS .
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary tasks:

Unflange propeller shaft from transmission and tie up to one side.
Tasks are described in Removing propeller shaft.

Brace output flange with special tool 230020.

Release collar nut with special tool 232320.

Release E90, 91 M57T2, E60S85 with special tool 230200.

Installation:

Mark flange with thermo pin and heat to min. 80°- 100°.

Fig 1: Removing Collar Nut Using Special Tool (23 2 320)

Courtesy of BMW OF NORTH AMERICA, INC.

WARNING: Scalding hazard! Fit flange wearing suitable protective gloves only!

IMPORTANT: Do not drive on flange.

Secure collar nut with Loctite 243.

Loctite 243: BMW Parts Service.
Tightening torque: 23 21 1AZ .

Detach output flange (1) with special tool 331150 and adapter plate 33 1 154 from output shaft.

Fig 2: Removing Output Flange Using Special Tool (33 1 150) And Adapter Plate (33 1 154)

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on special tool 233210.

Slide special tool 233210 over output shaft and screw into sealing ring firmly.

Fig 3: Sliding Special Tool (23 3 210) Over Output Shaft

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Insert screw into special tool 233210 again and continue turning until sealing ring is pulled out of transmission housing.

If necessary, remove ring spring of sealing ring.

Fig 4: Inserting Screw Into Special Tool (23 3 210)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Coat sealing lips of new radial seal with gear oil.

Drive in radial seal as far as it will go with special tool 233230 and plastic hammer.

Fig 5: Installing Radial Seal Using Special Tool (23 3 230)

Courtesy of BMW OF NORTH AMERICA, INC.