27 21 030 Replacing radial shaft seal for output to the front axle (ATC 35L)

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IMPORTANT: After completion of repair work, CHECK TRANSMISSION OIL LEVEL .
For these transfer boxes, use approved transmission oil only. Refer to 1.0 TRANSFER CASE OPERATING FLUIDS .

Necessary preliminary tasks

Remove rear UNDERBODY PROTECTION .
Remove left holder for underbody protection.

Release screws.

Tightening torque 26 11 7AZ .

Remove front propeller shaft at output flange of transfer box and tie to one side.

Installation note:

Replace screws.

Fig 1: Locating Front Propeller Shaft Output Flange Screws

G04745103

Courtesy of BMW OF NORTH AMERICA, INC.

Lever output flange (1) out of housing with screwdriver (2).

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

IMPORTANT: Do not damage housing.

Fig 2: Removing Output Flange Out Of Housing With Screwdriver

G04745131

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in radial shaft seal with special tool 27 1 450.

Fig 3: Installing Radial Shaft Seal Using Special Tool (27 1 450)

G04745132

Courtesy of BMW OF NORTH AMERICA, INC.