Wheel Bearing, P/N 7P0 505 XXX, 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.
-- Unscrew the brake caliper and push outward with the Brake Caliper Assembly Pins:T10439 . Refer to FRONT BRAKES, SERVICING .
-- Remove the brake rotor.
-- Remove the ABS speed sensor.
Before using the Drive Shaft Remover:T10520 , make sure that the thrust piece -1- is installed.
-- Press out the drive axle as far as possible.
- Drive Axle Remover - Adapter Plate:T10103/1
- Drive Shaft Remover:T10520
- Brake Caliper Assembly Pins:T10439
-- 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 drive axle 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.
-- Unscrew the bolts -arrows- above the drive axle.
-- Unscrew the bolts -arrows- below the drive axle.
-- Remove the wheel bearing unit from the drive axle.
- Drive Axle Remover - Adapter Plate:T10103/1
- Drive Shaft Remover:T10520
- Brake Caliper Assembly Pins :T10439
-- Remove the wheel bearing unit together with the Intake Manifold Release Tool:T10520 .
- Avoid contaminating with dirt and damaging the seal when setting down/storing.
The wheel bearing -1- must always face up.
-- Always set the wheel bearing unit down on the wheel hub -2-.
The same procedure also applies to the wheel bearing without a wheel hub.