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Home >> BMW >> 2014 >> 435i xDrive Automatic Trans >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - Repair - F32 >> Differential With Bearings >> 31 51 020 Replacing radial shaft seal for output shaft, right

31 51 020 Replacing radial shaft seal for output shaft, right

Special tools required:

Necessary preliminary work:

Lift out radial shaft seal (1) from the bearing support (3) with a screwdriver (2).

Fig 1: Lifting Out Radial Shaft Seal From Bearing Support Using Screwdriver
G09849147Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Protective sleeve (1) serves to protect the sealing lip of radial shaft seal (2) from being damaged when the output shaft is inserted into the bearing support.
Fig 2: Identifying Protective Sleeve And Radial Shaft Seal
G04794385Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Drive in radial shaft seal with special tool 31 5 130 as far as it will go.

Fig 3: Installing Radial Shaft Seal With Special Tool (31 5 130)
G09849149Courtesy of BMW OF NORTH AMERICA, INC.