BMW X3 Service & Repair Manual: Replacing radial shaft seal for output flange (atc 450)

BMW X3 Service & Repair Manual / Transmission / Transmission shafts / Replacing radial shaft seal for output flange (atc 450)

Special tools required:

  • 27 1 440

IMPORTANT: After completing repair work, check transmission oil level and top up if necessary.

For this transfer box, use approved TRANSMISSION OIL only.

Necessary preliminary tasks:

  • Remove PROPELLER SHAFT

Release circlip (1).

Transmission

Release output flange with three-claw extractor tool.

Lever radial shaft seal out of housing with a suitable tool.

IMPORTANT: Do not damage housing.

Transmission

Installation note:

Replace O-ring in output flange.

Check that O-ring is in correct position.

Transmission

Installation note:

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

Drive in radial shaft seal with special tool 27 1 440 .

Transmission

Installation note:

  • Push on output flange
  • Press down output flange using 2 screwdrivers
  • Shim
  • Continue pressing output flange down until retaining groove is completely visible
  • Fit circlip

Transmission

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