Left Flange Shaft Ball Bearing Pre-Tension, Checking, Vehicles Through VIN 8K0BA088680 Or 8FXBN009589
Check the ball bearing pre-tension using the wear pattern on the bearing bracket -arrow-.
The left flange shaft ball bearing pre-tension is only checked on vehicle through the following VIN numbers:
Audi A4 through VIN WAUZZZ8K0BA088680
Audi A5 through VIN WAUZZZ8FXBN009589
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"
- 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 LEFT FLANGE SHAFT BALL BEARING PRE-TENSION, OPTIMIZING, VEHICLES THROUGH VIN 8K0BA088680 OR 8FXBN009589 .
Wear pattern "B"
- 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 LEFT FLANGE SHAFT BALL BEARING PRE-TENSION, ADJUSTING VEHICLES THROUGH VIN 8K0BA088680 OR 8FXBN009589 .
-- Replace the bearing bracket, the ball bearing and the circlip. Refer to LEFT FLANGE SHAFT BALL BEARING MOUNTING BRACKET, REMOVING AND INSTALLING .