Drive flange assembly with polygonal bearings

WARNING: This page is about a different car, the 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Flange Shaft Assembly, Overview

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Drive flange

2 - Needle bearing (polygonal bearing)

3 - Spacer ring

4 - Spacer ring - additionally installed if splined shaft diameter = 30 mm

5 - Circlip

NOTE: Needle bearings (polygonal bearings) do not move freely when drive flange is removed. This does not indicate faulty bearings.