Front Final Drive Cover O-Ring

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 Audi A4 Quattro, 2015 Audi A4 Quattro, 2014 Audi A4 Quattro, 2013 Audi A4, and 2012 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Clean working conditions for the automatic transmission. Refer to CLEAN WORKING CONDITIONS .

General repair instructions, refer to REPAIR INFORMATION .

Special tools and workshop equipment required

Oil Collecting and Extracting Device VAG 1782

Procedure

-- Place the VAG 1782 under the transmission.

-- Remove the right flange shaft. Refer to RIGHT FLANGE SHAFT .

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

Fig 1: Front Final Drive Cover Bolts Loosening And Tightening Sequence

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.

-- Replace the O-ring -arrow-.

Fig 2: Differential Cover O-Ring

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 FRONT FINAL DRIVE OVERVIEW .

Fig 3: Front Final Drive Cover Bolts Loosening And Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Install the right flange shaft. Refer to RIGHT FLANGE SHAFT .

-- Axle oil, adding to transmission after repair. Refer to GEAR OIL IN FRONT FINAL DRIVE, FILLING AFTER REPAIR .