O-Ring On Front Final Drive Cover, Removing And Installing

WARNING: This page is about a different car, the 2023 Audi SQ8, 2023 Audi RS Q8, and 2023 Audi Q8. However, it is still accessible from the selected car via links, so may be relevant.

Procedure

NOTE:

General repair instructions. Refer to GENERAL REPAIR INFORMATION .

Guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Drain the gear oil from front final drive. Refer to GEAR OIL, DRAINING AND FILLING .

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

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

Fig 1: Front Final Drive Cover - Tightening Sequence

Courtesy of AUDI

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

-- 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.

Fig 3: Front Final Drive Cover - Tightening Sequence

Courtesy of AUDI

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

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

Tightening Specifications

Refer to Figure