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Home >> BMW >> 2017 >> X3 xDrive28d >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - Repair >> 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: 

Lever radial shaft seal (1) with a screwdriver (2) out of bearing block (3).

Fig 1: Removing Radial Shaft Seal
G09849147Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Protective sleeve (1) serves to protect the sealing lips of radial shaft seal (2) from being damaged when the output shaft is inserted into the bearing block.
Fig 2: Identifying Protective Sleeve And Radial Shaft Seal
G08512341Courtesy 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: Identifying Special Tool 31 5 130
G09849149Courtesy of BMW OF NORTH AMERICA, INC.