audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Removing and installing wheel bearing unit > < Exploded view of wheel bearing housing and wheel bearing unit
Removing and installing wheel bearing housing
   
Removing and installing wheel bearing housing
Special tools and workshop equipment required
t  Ball joint puller -3287A-
t  Torque wrench -V.A.G 1332-
t  Engine and gearbox jack -V.A.G 1383 A-
t  Angle wrench -V.A.G 1756-
t  Spreader -3424-

Removing
–  Loosen bolt securing drive shaft at wheel hub.
–  Remove hexagon bolt securing drive shaft → Chapter.
–  Remove twelve-point ribbed bolt securing drive shaft → Chapter.
–  Remove twelve-point bolt (without ribbing) securing drive shaft → Chapter.
–  Remove wheel.
–  Detach brake caliper and secure to body with wire → Brake system; Repair group 46; Servicing front brakes.
–  Remove ABS speed sensor → Brake system; Repair group 46; Servicing front brakes.
–  Remove brake disc.
  W00-0413
–  Slacken off nut on track rod ball joint (but do not remove yet).
–  Press track rod ball joint out of wheel bearing housing using -3287A- and then unscrew nut.
  N48-10011
–  On vehicles with vehicle level sender, unscrew nut -3-.
  A40-0534
–  On vehicles with electronic damping control (Audi magnetic ride), unplug connector -2-.
-Arrows- can be disregarded.
  Note
Use both hands to remove the connector: open the catch with one hand whilst pressing off the connector with the other; do not use any tools.
  A40-10111
–  Remove bolt and nut securing wheel bearing housing/suspension strut -arrow-.
  A40-0336
–  Insert spreader -3424- in slot in wheel bearing housing.
–  Turn ratchet through 90° and detach from 3424.
  S40-0179
–  Unscrew nuts -arrows-.
–  Guide wishbone out of wheel bearing housing together with swivel joint.
–  Pull wheel bearing housing downwards off shock absorber tube and pull drive shaft out of wheel hub.
  Note
t  Do not let the drive shaft hang down under its own weight, as otherwise excessive bending could damage the inner CV joint.
t  Tie up drive shaft to body with wire.
–  Remove wheel bearing housing with swivel joint.
Installing
Installation is performed in reverse sequence; note the following:
Tightening torques → Chapter „Exploded view of wheel bearing housing and wheel bearing unit“
Tightening torques → Chapter „Exploded view of subframe, diagonal strut, swivel joint, anti-roll bar, wishbone, suspension bracket and vehicle level senders“
–  Tighten hexagon bolt securing drive shaft → Chapter.
–  Tighten twelve-point ribbed bolt securing drive shaft → Chapter.
–  Tighten twelve-point bolt (without ribbing) securing drive shaft → Chapter.
–  Perform basic setting of headlights on vehicles with automatic headlight range control → Vehicle diagnostic tester.
–  On vehicles with electronic damping control (Audi magnetic ride), re-adapt reference position → Vehicle diagnostic tester.
–  Check and adjust wheel alignment as required, see chart → Anchor.
  N40-10005

Removing and installing wheel bearing unit > < Exploded view of wheel bearing housing and wheel bearing unit