Drive Axle Threaded Connection, Loosening And Tightening

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2015 Audi S8, 2015 Audi A8 Quattro, 2014 Audi S8, 2014 Audi A8 Quattro, and 2013 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Torque Wrench 80-400 Nm VAG 1576

Loosen the connection between the drive axle/stub axle and wheel hub.

-- With vehicle still standing on its wheels, loosen bolt a maximum of 90°, otherwise wheel bearing will be pre-damaged.

-- Place the vehicle on a hoist, refer to RAISING AND LOWERING WITH OPEN AND CLOSED AIR SUSPENSION SYSTEM .

-- Lift the vehicle just enough so that the wheels are hanging free.

-- Apply the brake (a second technician is required).

-- Remove the bolt -arrow-.

Fig 1: Identifying Drive Axle Hex Bolt Connection

Courtesy of AUDI OF AMERICA, LLC

Tighten the connection between the drive axle/stub axle and wheel hub.

-- Replace bolt -arrow-.

Fig 2: Identifying Drive Axle Hex Bolt Connection

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Before installing, clean the threads in the CV joint/stub axle with a thread tap.

Wheels must not yet touch the ground to tighten the drive axle/stub axle, wheel bearing may otherwise be pre-damaged.

-- Operate brake (second mechanic required).

-- Tighten bolt to 200 Nm.

-- Lower the vehicle onto its wheels, refer to RAISING AND LOWERING WITH OPEN AND CLOSED AIR SUSPENSION SYSTEM .

-- Tighten bolt an additional 180°.