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Home >> BMW >> 2013 >> ActiveHybrid 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 809 (Manual Transmission - Repair - F30) >> Bearing In Housing, Sealing Ring >> 23 12 524 Replacing radial shaft seal for drive shaft (GS6-45BZ/DZ)

23 12 524 Replacing radial shaft seal for drive shaft (GS6-45BZ/DZ)

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Special tools required: 

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .
Use only approved transmission oil.
Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks: 

Release screws (1).

Tightening torque: 23 11 2AZ  . See HOUSING WITH LID or HOUSING WITH LID .

Remove guide tube (2).

Installation note: 

Clean guide tube.

Do not grease guide tube.

Fig 1: Identifying Screws And Guide Tube
G09848092Courtesy of BMW OF NORTH AMERICA, INC.

Drive a hole into radial shaft seal using a center punch.

IMPORTANT: Do not use a drill as drillings may result in transmission malfunction.

Screw special tool 23 0 490 into radial shaft seal.

Withdraw radial shaft seal from transmission housing with aid of impact weight.

Fig 2: Screwing Radial Shaft Seal Using Special Tool (23 0 490)
G04726057Courtesy of BMW OF NORTH AMERICA, INC.

Push radial shaft seal (1) onto special tool 23 0 220 .

Installation note: 

Coat sealing lips of radial shaft seal with transmission oil.

Fig 3: Pushing Radial Shaft Seal Onto Special Tool (23 0 220)
G09848117Courtesy of BMW OF NORTH AMERICA, INC.

Slide special tool 23 0 220 onto drive shaft.

Drive in radial shaft seal with plastic hammer as far as it will go.

Fig 4: Sliding Special Tool (23 0 220) Onto Drive Shaft
G09848118Courtesy of BMW OF NORTH AMERICA, INC.