27 21 020 Replacing Radial Shaft Seal For Output Flange (ATC 700)

27 21 020 Replacing radial shaft seal for output flange (ATC 700)

Special tools required:





Important!
After completing work, check gear oil level and top up if necessary.
Use only approved transmission oil for this transfer case.





Necessary preliminary tasks:
^ Remove propeller shaft
^ Release exhaust system bracket
^ Remove transmission crossmember.





Release retaining ring (1).





Installation:
Replace O-ring in output flange.

Check that O-ring is in correct position.





Important!
The propeller shaft may move when the output flange is pushed on. The retaining ring can thus no longer be fitted.





Installation:
- Push on output flange
- Using 2 screwdrivers, press output flange downwards or output shaft (2) upwards until groove for retaining ring is completely visible.
- Fit retaining ring.





Drive a hole into radial shaft seal (1) using a center punch (2).

Important!
Do not use a drill as drillings may result in transmission malfunction.





Screw in special tool 23 0 490.

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





Drive in radial shaft seal with special tool 27 1 480.





Reassemble the vehicle.

Check oil level.

Check transmission for leaks.