Wheel Bearing In Curb Weight Position, Lifting Vehicles With Coil Spring

TIP:

All bolts on chassis components with bonded rubber bushings must be tightened in curb weight position. Refer to VEHICLES WITH COIL SPRINGS, CHECKING THE CURB WEIGHT POSITION FOR AXLE ALIGNMENT .

• Bonded rubber bushings have a limited range of rotation. Axle components with bonded rubber bushings must be brought into the position they will be in when driving before they are tightened (curb weight position).
• Otherwise, the bonded rubber bushing will have tension, which will reduce the service life.
• By raising the corresponding suspension using the Engine and Gearbox Jack:VAS 6931  and Support Device:VAS 6931/1  , this position can be simulated on the hoist.

Special tools and workshop equipment required 

• Engine and Gearbox Jack:VAS 6931 
  Fig 1: Engine and Gearbox Jack VAS6931 or VAG1383A

  Courtesy of AUDI
• Support Device:VAS 6931/1  , not illustrated
• Tensioning Strap:T10038 
  Fig 2: Identifying Tensioning Strap T10038

  Courtesy of AUDI

Procedure

-- Determine the curb weight position. Refer to VEHICLES WITH COIL SPRINGS, CHECKING THE CURB WEIGHT POSITION FOR AXLE ALIGNMENT .

-- Note the measurement. This will be needed when tightening the bolts/nuts.

• Before the respective suspension is lifted, the vehicle must be tied down to the hoist lifting arms with the Tensioning Strap:T10038  .

Front Axle

Courtesy of AUDI

-- Lightly secure both sides of the vehicle to the hoist lifting arms -arrow B-, using the Tensioning Straps:T10038  -item 1- on the upper rear control arm mounts -arrow A-, for this, put a thin piece of rubber -2- in between to protect the paint.

Rear Axle

Courtesy of AUDI

-- Secure both sides of the vehicle to the hoist lifting arms -arrow B- to the strikers on the rear doors -arrow A- using Tensioning Straps: T10038  -item 1-.

Continuation for both axles

-- Remove the wheel. Refer to WHEELS AND TIRES .

-- Install the Support Device:VAS 6931/1  -item A- to the brake rotor -1- using two wheel bolts -2-.

Courtesy of AUDI

-- Position the Engine and Gearbox Jack:VAS 6931  -item B- on the support device.

• Tightening of the applicable bolts/nuts must only occur if the dimension between the center of the wheel hub and the lower edge of the fender/wheel housing that was measured before starting the procedure has been attained.

-- Lift the wheel bearing housing, until the dimension -a- has been reached.

Fig 3: Determining Height Dimension -a-

Courtesy of AUDI

-- Tighten the applicable bolts and nuts.

-- Lower the wheel bearing housing.

-- Move the Engine and Gearbox Jack:VAS 6931  to the side.

Tightening Specifications

• Refer to WHEELS AND TIRES