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Home >> BMW >> 2012 >> 528i >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - Repair >> Oil Pump >> 24 31 013 Replacing Torque Converter Radial Shaft Seal (GA8HP45Z)

24 31 013 Replacing Torque Converter Radial Shaft Seal (GA8HP45Z)

Special tools required: 

IMPORTANT:
  • Do not let skin come in contact with transmission oil and do not inhale fuel vapors.
  • Wear protective gloves.
  • Ensure adequate ventilation.
IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .
Use only approved transmission oil .
Failure to comply with this instruction will result in serious damage to the transmission.

Necessary preliminary work: 

Secure transmission with special tool 24 0 200 on assembly stand 00 1 450.

NOTE: Read and comply with note on installation of TRANSMISSION RETAINING BRIDGE .
Fig 1: Securing Transmission Using Special Tool (24 0 200)
G04726128Courtesy of BMW OF NORTH AMERICA, INC.

Pull out radial shaft seal (1) with special tools 24 1 420 and 13 5 250 .

Fig 2: Pulling Radial Shaft Seal
G08488038Courtesy of BMW OF NORTH AMERICA, INC.

The 14 aluminum torx screws contained in the drive repair kit are furnished with a sealing ring and must be mandatory  replaced as well.

When replacing screws (1) along the dashed line, always change one screw after the other.

Tightening torque: 24 30 6AZ .

Fig 3: Transmission Front Cover Screws
G09876862Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

  1. Install the O-ring on the drive shaft.
  2. Oil sealing lip on shaft seal.
  3. Drive in radial shaft seal (1) with special tool 24 1 410 as far as it will go.
    Fig 4: Installing Radial Shaft Seal Using Special Tool (24 2 410)
    G08488039Courtesy of BMW OF NORTH AMERICA, INC.