LEMON Manuals: Even more car manuals for everyone
Home >> BMW >> 2017 >> 328d >> Repair and Diagnosis >> External Pages >> Different car >> Section 816 (Front Axle - Repair - F30) >> 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

WARNING: This page does not describe the selected car, but rather 41 other vehicles, including the 2018 BMW 320i xDrive, 2018 BMW 320i, 2017 BMW 320i xDrive, 2017 BMW 320i, and 2016 BMW ActiveHybrid 3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required: 

Necessary preliminary work: 

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

Fig 1: Lifting Radial Shaft Seal From Bearing Support
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 Radial Shaft Seal And Sleeve
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.