Audi Workshop Service and Repair Manuals

Removing and installing wheel bearing unit (bolted version)

Special tools and workshop equipment required

t	Thrust plate -VW 401-

t	Thrust plate -VW 402-

t	Tube -VW 416 B-

t	Press tool -VW 412-

t	Press tool -VW 407-

t	Tube -VW 519-

1 -	Wheel bearing housing

q	Removing and installing wheel bearing housing → Chapter

2 -	Wheel bearing

3 -

Wheel hub

q	Removing and installing → Chapter

4 -	Flange bolt

q	Always renew

q	200 Nm + 180°

q	Tighten to 200 Nm while vehicle is raised; turn through specified angle only when vehicle is standing on its wheels

q	Do not loosen more than 90° when vehicle is standing on its wheels

5 -	Drive shaft

q	Removing and installing → Chapter

q	Servicing (with 100 mm Ø inner joint) → Chapter

q	Servicing (with 108 mm Ø inner joint) → Chapter

6 -

Washer

7 -	Self-locking nut

q	Always renew

8 -	Shock absorber

q	Removing and installing → Chapter

q	Note correct installation position → Fig.

q	Note different running gear versions; see vehicle data sticker → Anchor

q	Defective shock absorbers must always be degassed and drained before disposal → Chapter

q	Checking shock absorber following removal → Chapter

9 -	Bolt with washer

q

36 Nm

10 -	Hexagon socket head bolt

q

10 Nm

11 -	Speed sensor

q	Routing of wiring → Fig., → Fig.

12 -	Countersunk bolts (4x)

q	80 Nm + 90°

q	Always renew

13 -	Bolt with washer

q	150 Nm + 90°

q	Always renew

q	Suspension must be in unladen position when tightening bolt connections

t  Puller -3- Kukko 15-17-

t  Engine and gearbox jack -V.A.G 1383 A-

Removing –  Removing and installing drive shaft → Chapter –  Remove securing bolts -1- from brake caliper. –  Take off brake caliper and tie up on body. –  Remove brake disc.

–  Unscrew countersunk bolts -1- and -2-.

–  Pull off wheel bearing unit from the outside.

Pressing wheel hub out of 82 mm Ø wheel bearing

Pressing inner bearing race off wheel hub –  Fit splitter into groove on circumference of inner bearing race -arrow- and tighten spindle.   Note Use commercially available splitter, e.g. Kukko 15-17.

–  Press inner bearing race off wheel hub. On the lightweight wheel hub the deflector ring must be renewed. → Chapter

Pressing wheel hub into 82 mm Ø wheel bearing –  When pressing in, the thrust pad -VW 511- must only bear against the inner race. Installing Installation is carried out in the reverse sequence. Bonded rubber bushes can only be turned to a limited extent. The mountings of the suspension links must therefore only be tightened when the suspension is in the unladen position → Chapter. –  Removing and installing drive shaft → Chapter

Tightening torques:
Drive shaft to hub (M14); use new bolt	115 Nm + 180°
Drive shaft to hub (M16); use new bolt	200 Nm + 180°
Drive shaft to drive flange (M8)	40 Nm
Drive shaft to drive flange (M10)	70 Nm
Brake caliper to hub carrier	70 Nm + 90°
Wheel bearing unit to hub carrier	80 Nm + 90°