Drive Axle Threaded Connection, Loosening And Tightening
Special tools and workshop equipment required
- Socket AF 24 mm: T10361A
- Digital Torque Wrench: VAG1756A
- The wheel bearing must not be under load when the drive axle threaded connection on the wheel side is loose.
If the wheel bearings are loaded with the vehicle weight then the wheel bearing will be damaged. This reduces the service life of the wheel bearings. Therefore observe the following:
- Bolt loosening procedure
- Vehicles without a drive axle must not be moved, otherwise the wheel bearing will be damaged. If the vehicle has to be moved, always note the following points:
-- Install an outer joint in place of the drive axle.
-- Tighten the outer joint to 200 Nm.
Bolt, Loosening
-- With the vehicle resting on its wheels, loosen the bolt with the : T10361A a maximum of 90°, otherwise the wheel bearing will be damaged.
-- Lift the vehicle just enough so that the wheels are hanging free.
-- Apply the brakes (a second technician required).
-- Remove the bolt -arrow-.
Bolt, Tightening
-- Replace the bolt.
Wheels must not yet touch the ground when tightening the drive axle or the wheel bearing can be damaged.
-- Apply the brakes (a second technician required).
-- Tighten bolt to 200 Nm.
-- Set the vehicle on its wheels.
-- Bolt : WHT.005.437 / black 180° turn.
-- Bolt : WHT.005.437.A / silver 90° turn.