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Home >> BMW >> 2016 >> Z4 sDrive35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - Repair (N20) -- Z4-E89) >> 2431 Oil pump >> 24 31 013 Replacing torque converter radial shaft seal (GA8HP45Z)

24 31 013 Replacing torque converter radial shaft seal (GA8HP45Z)

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

Special tools required: 

IMPORTANT:
  • Do not let skin come in contact with transmission oil and do not inhale fuel vapours.
  • Wear protective gloves.
  • Ensure adequate ventilation.
IMPORTANT: After completion of 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 tasks: 

Secure transmission with special tool 24 0 200 on assembly stand 00 2 300 .

NOTE: Read and comply with note on installation of TRANSMISSION RETAINING BRIDGE .
Fig 1: Securing Transmission With Special Tool (24 0 200)
G04726128

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

Fig 2: Pulling Out Radial Shaft Seal With Special Tools (24 1 420) And (13 5 250)
G08488038

The 14 aluminium 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: Identifying Aluminium Torx Screws
G09876862

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 With Special Tool (24 1 410)
G08488039