Left Flange Shaft Ball Bearing Pre-Tension, Checking

WARNING: This page is about a different car, the 2018 Audi S7, 2017 Audi S7, and 2016 Audi S7. However, it is still accessible from the selected car via links, so may be relevant.

Check the Ball Bearing Pre-Tension Using the Wear Pattern on the Bearing Bracket -arrow-.

Courtesy of AUDI OF AMERICA, LLC

NOTE:

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

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

The left flange shaft is removed. Refer to LEFT FLANGE SHAFT, REMOVING AND INSTALLING .

Wear Pattern "A"

Courtesy of AUDI OF AMERICA, LLC

Small indentations near the hole on the bearing bracket -arrows-.
No trace of wear or material erosion.

-- Optimize the pre-tension on the ball bearing for the left flange shaft. Refer to PRE-TENSION ON BALL BEARING, OPTIMIZING, LEFT FLANGE SHAFT .

Wear Pattern "B"

Courtesy of AUDI OF AMERICA, LLC

Traces of wear, if necessary, with material erosion all around the hole on the bearing bracket -arrow-.

-- Adjust the pre-tension on the left flange shaft bearing. Refer to PRE-TENSION ON BALL BEARING, ADJUSTING, LEFT FLANGE SHAFT .

-- Replace the bearing bracket, the ball bearing and the circlip. Refer to LEFT FLANGE SHAFT BALL BEARING MOUNTING BRACKET, REMOVING AND INSTALLING .