Wear, Checking On Bearing 11 And F In Bearing Flange

WARNING: This page is about a different car, the 2014 Audi A5, 2013 Audi A5, 2012 Audi A5, and 2011 Audi A5. However, it is still accessible from the selected car via links, so may be relevant.

Bearing "11" for Differential Shaft, Checking

Courtesy of AUDI OF AMERICA, LLC

-- Check the bearing -arrow- for damage:

The roller bearing must not have any surface damage.
The bearing cage must not have any cracks or breaks.

-- To see if there is any damage on the roller bearings, run a finger nail over the entire running surface.

Very light wear grooves and damage that cannot be detected with the finger nail can be disregarded.
When there are wear grooves and damage that can be detected with the finger nail, then the bearing must be replaced.

-- Check the running surface on the differential shaft as well.

Bearing Race for Bearing "F" for Disc Set "II"

Courtesy of AUDI OF AMERICA, LLC

-- To see if there is any damage on the bearing race -arrow-, run a finger nail over the entire running surface.

Very light wear grooves and damage that cannot be detected with the finger nail can be disregarded.
When there are wear grooves and damage that can be detected with the finger nail, then the bearing race for bearing "F" must be replaced.