27 21 010 Replacing Radial Shaft Seal for Drive Flange (ATC 700)

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

Special tools required:

IMPORTANT: After completing work, check gear oil level, see27 00 ... Replenishing /Changing Transfer Case Oil (ATC 700) and top up if necessary.
Use only approved gear oil in this transfer box.

Necessary preliminary tasks:

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 1: Identifying Radial Shaft Seal And Centre Punch

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 2: Identifying Radial Shaft Seal And Impact Weight With Special Tools

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 460, seeDRIFT .

Fig 3: Identifying Radial Shaft Seal With Special Tool (27 1 460)

Courtesy of BMW OF NORTH AMERICA, INC.

Add final details to vehicle.

Check oil level.

Check transmission for leaks.