Front Final Drive Cover O-Ring, Removing And Installing

WARNING: This page is about a different car, the 2018 Audi A6 Quattro, 2017 Audi A6 Quattro, and 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

This procedure contains mandatory replaceable parts. Refer to component overview and parts information prior to starting procedure.

Mandatory Replacement Parts

O-ring - Front final drive cover

NOTE:

General repair instructions. Refer to GENERAL REPAIR INFORMATION .

Pay attention to clean working conditions for the transmission. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Drain the front final drive gear oil, by opening drain plug -arrow B-.

GWWA39-10415

Courtesy of AUDI OF AMERICA, LLC

-- Remove the right flange shaft. Refer to RIGHT FLANGE SHAFT, REMOVING AND INSTALLING .

-- Remove the bolts from the front final drive cover in the following sequence: -11 to 1-.

GWWA39-10414

Courtesy of AUDI OF AMERICA, LLC

-- Remove the front final drive cover together with the tapered roller bearing outer race and the adjustment shim.

NOTE:

The shim must be the correct size and must not be replaced by a shim with a different thickness.

-- Remove the differential -arrow- and secure it from falling.

GWWA37-10157

Courtesy of AUDI OF AMERICA, LLC

-- Replace the O-ring -arrow-.

GWWA39-0037

Courtesy of AUDI OF AMERICA, LLC

-- Insert the differential into the transmission housing.

If the tapered roller bearing outer race and the shim have fallen out of the front final drive cover:

-- Lubricate the shim and tapered roller bearing outer race with gear oil and insert them into the front final drive cover as far as the stop.

-- Tighten the front final drive cover bolts. .

GWWA39-10414

Courtesy of AUDI OF AMERICA, LLC

-- Install the right flange shaft. Refer to RIGHT FLANGE SHAFT, REMOVING AND INSTALLING .

-- Add axle oil to the transmission after repair. Refer to GEAR OIL, DRAINING AND FILLING .