Left Flange Shaft: Installing

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.

Fig 1: Identifying Access To Differential -Arrow A- And Shaft Seal -Arrow B-

Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal. Note the following:

Tightening specification, refer to FRONT FINAL DRIVE SEALING RINGS OVERVIEW .

-- Always clean the left flange shaft, the transmission housing in the area where the differential is accessed -arrow A- and the shaft seal -arrow B-.

NOTE:

Replace the shaft seal between the differential and transmission housing -arrow B- if it is damaged. Refer to LEFT FLANGE SHAFT SEAL .

-- Fill the space between the sealing- and dust lip half way with sealing grease;

-- Clean the left flange shaft thoroughly.

The following work must be performed on the listed vehicle types up to the specified VIN:

Fig 2: Checking Ball Bearing Pre-Tension Using Wear Pattern On Bearing Bracket

Courtesy of AUDI OF AMERICA, LLC

Vehicle Model	VIN	Factory
Audi A4 MY 08	Through WAUZZZ8K9BN034383	Germany, Neckarsulm
Audi A4 MY 08	Through WAUZZZ8KXBA082742	Germany, Ingolstadt
Audi A5 Cabriolet MY 2008	Through WAUVGAFH3BN009542	Germany, Neckarsulm
Audi A5 Coupe MY 08	Through WAUZZZ8T9BA902081	Germany, Ingolstadt
Audi Q5 MY 08	Through WAUZZZ8R2BA061817	Germany, Ingolstadt

-- Check the pre-tension on the ball bearing for the left flange shaft based on the wear pattern on the bearing bracket -arrow-. Refer to LEFT FLANGE SHAFT BALL BEARING PRE-TENSION, CHECKING .

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

All Vehicle Models

Fig 3: Identifying Left Flange Shaft

Courtesy of AUDI OF AMERICA, LLC

-- Install flywheel, refer to FLYWHEEL .

-- Rotate the flywheel -1- until the opening to the differential -arrow 3- is seen.

-- Install the left flange shaft -2- into the transmission -arrow B-. When doing this, insert the flange shaft centrally into the shaft seal on the front differential -arrow 3-.

NOTE:

If the flange shaft is not centered, the flange shaft splines -2- will damage the shaft seal between the final drive and the transmission housing.

The shaft seal must be replaced if it is damaged.

Ignore -arrow A-.

-- Fill with Manual Transmission Fluid (MTF). Refer to General Information .