27 21 030 Replacing Radial Shaft Seal for Front Axle Output (ATC 700)

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

Special tools required:

IMPORTANT: After completion of work, check transmission oil level. See27 00 ... Replenishing /Changing Transfer Case Oil (ATC 700) .
Use only the approved gear oil. See 27 10 070 Replacing Output Flange on Transfer Box at Rear (ATC700) in this transfer box.

Necessary preliminary tasks:

Remove protective cap (1) with a screwdriver.

Fig 1: Removing Protective Cap With Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Fig 2: Driving Hole Into Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 23 0 490.

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

Fig 3: Identifying Radial Shaft Seal And Impact Weight With Special Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 470 DRIFT .

Fig 4: Identifying Radial Shaft Seal With Special Tool (27 1 470)

Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Check oil level.

Check transmission for leaks.