Replacing Radial Shaft Seal for Output Flange, Automatic (ATC 300)

27 21 020 - Replacing radial shaft seal for output flange, automatic (ATC 300)





Special tools required:
- 27 1 440





Important!
After completing work, check gear oil level Procedures and top up if necessary.

Use only the approved transmission oil in this transfer case.





Necessary preliminary tasks:
- Remove transfer case Removing and Installing Transfer Case (ATC 300).





Release retaining ring (1).





Release output flange with three-claw extractor tool.

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

Important!
Do not damage housing.





Installation Note:
Replace O-ring in output flange.

Check that O-ring is in correct position.





Installation Note:
Coat sealing lips of new radial seal with clean transmission oil.

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





Installation Note:
- Push on output flange
- Press down output flange using 2 screwdrivers
- Fit washer
- Continue pressing output flange down until retaining groove is completely visible
- Fit retaining ring