Drive Axle, Removing And Installing: Removing
Vehicles With An Air Spring Shock Absorber
-- Activate the vehicle lift mode and place the vehicle on the lifting platform. Refer to VEHICLE LIFT MODE .
Continuation For All Vehicles
-- Loosen the 12-point nut for the drive axle on the wheel hub. Refer to TWELVE-POINT NUT OF DRIVE AXLE THREADED CONNECTION, LOOSENING AND TIGHTENING .
The wheel bearing must not be under a load while the drive axle threaded connection on the wheel side is loose.
If the wheel bearings are under the load of the vehicle weight, the wheel bearing will be damaged. This reduces the service life of the wheel bearings.
The 12-point nut may only be loosened a maximum of 90° when the vehicle is resting on its wheels.
Vehicles without a drive axle must not be moved, otherwise the wheel bearing will be damaged. If a vehicle must be moved, be sure to Note The Following:
- Install An Outer Joint In Place Of The Drive Axle.
- Tighten The Outer Joint To 150 Nm.
-- Loosen the wheel bolts.
-- Raise the vehicle.
-- Remove The Wheel.
Vehicles with an Air Spring Shock Absorber
-- Fill the air spring shock absorber with the Vehicle Diagnostic Tester.
Continuation For All Vehicles
-- Attach the Tensioner Hooks (2 pc.):VW552 -1- to both sides of the vehicle in the upper opening of the wheel housing and the upper control arm.
-- Slightly pretension the control arm so that the control arm ball stud is not damaged.
-- Disconnect the drive axle from the front final drive.
-- Loosen nut of track rod ball joint, but do not unscrew yet.
To protect thread, screw nut on pin a few turns.
-- Remove the tie rod from the wheel bearing housing and remove the nut.
- Puller - Ball Joint:T10187
-- Remove the upper brake line bracket -1- from the wheel bearing housing -arrow-.
-- Pull the harness connector -1- and cable out of the bracket -3-.
-- Remove the bolt -2- and the lower line hose bracket -3- from the wheel bearing housing.
Before using the Drive Shaft Remover:T10520 , make sure that the thrust piece -1- is installed.
-- Press out the drive axle.
- Drive Axle Remover - Adapter Plate:T10103/1
- Drive Shaft Remover:T10520
-- During the pressing-out operation, ensure sufficient freedom of movement of the joints.
-- Follow the specified sequence exactly.
I - Tighten the knurled nut -1- hand-tight.
II - Only turn the bolt -2- using a wrench and press out the driveshaft using the Drive Shaft Remover:T10520 .
At the end of the tasks or to set back, the spindles must be brought back into the original position so that the hydraulic operation can be used.
-- Turn wheel hub far enough until one of the holes for wheel bolts is on top.
-- Install the Engine/Gearbox Jack Adapter - Wheel Hub Support:T10149 with the wheel bolt.
-- Loosen the nut on the conical pin, but do not unscrew yet.
To protect thread, screw nut on pin a few turns.
-- Press out the upper control arm and unscrew the nut.
- Puller - Ball Joint:T10187
-- Unscrew the bolt -1- for the shock absorber -2- on the control arm.
-- Unscrew the threaded connection -1-.
-- Pull bolt out of lower control arm.
-- Lower the wheel bearing housing far enough so the drive axle can be removed.
-- Remove the drive axle.