Pre-Tension On Ball Bearing, Optimizing, Left Flange Shaft

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 Audi S5, 2014 Audi S5, 2013 Audi S5, 2012 Audi S5, and 2011 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The pre-tension on the left flange shaft ball bearing must be optimized only on certain vehicles. Refer to the table for a list of the vehicles LEFT FLANGE SHAFT .

This is not necessary on vehicles built later because they have been redesigned.

Procedure

Left flange shaft removed, refer to LEFT FLANGE SHAFT .

Conditions for optimizing:

Fig 1: Checking For Traces Of Wear

Courtesy of AUDI OF AMERICA, LLC

The bearing bracket does not show any traces of wear or material erosion.
Small indentations near the hole on the bearing bracket -arrows- are permissible.

Bearing bracket with wear pattern "A" LEFT FLANGE SHAFT BALL BEARING PRE-TENSION, CHECKING (the bearing bracket does not show any traces of wear or material erosion).

Fig 2: Bearing Bracket With Wear Pattern "A"
Courtesy of AUDI OF AMERICA, LLC
A shim is inserted into the bearing seat on the transmission to optimize the pre-tension on the ball bearing.

-- Insert a shim 0B4 409 227 -1- into the bearing seat on the transmission before installing the flange shaft to improve the pre-tension.

Fig 3: Inserting Shim 0B4 409 227 Into Bearing Seat On Transmission Before Installing Flange Shaft

Courtesy of AUDI OF AMERICA, LLC

-- Install the left flange shaft. Refer to LEFT FLANGE SHAFT .