BMW X3 Service & Repair Manual: Extension housing, bearings, seal

REPLACING OUTPUT FLANGE RADIAL SHAFT SEAL (GA8HP45Z) (AWD)

Special tools required:

IMPORTANT: After completion of repair work, check TRANSMISSION OIL LEVEL .

Use only the approved TRANSMISSION OIL .

Failure to comply with this requirement will result in serious damage to the automatic transmission!

Necessary preliminary tasks:

Drive a hole into radial shaft seal (1) using a center punch.

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

Thread special tool 23 0 490 into radial shaft seal (1).

Drive out radial shaft seal (1) with impact weight (2).

Transmission

Installation note:

Coat sealing lips of new radial shaft seal with clean transmission oil.

Radial shaft seal firmly home with special tool 23 3 220 .

Transmission

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BMW X3 Service & Repair Manual > Output shafts: Removing and installing/replacing both output shafts
IMPORTANT: The RADIAL SHAFT SEAL FOR THE OUTPUT SHAFT should be renewed every time the output shaft is removed and installed. The circlip of the output shaft must be replaced after re-installation. NOTE: The procedure is described in PRESSING OUTPUT SHAFT OUT OF DRIVE FLANGE AN ...

BMW X3 Owners Manual