Audi Workshop Service and Repair Manuals

Special tools and workshop equipment required

• ◆ Hub cover puller VW 637/2
• ◆ Fitting sleeve 3241/4
• ◆ Assembly tool 3420
• ◆ 1 - Puller Kukko 20-2
• ◆ 3 - Puller Kukko 204-1

Removing

• ‒ Remove wheel.
• ‒ → Detach grease cap from its seat by tapping gently on claw.

• ‒ → Press off grease cap.

• ‒ → Screw out bolts -A-.
• ‒ Detach brake caliper and hang up with piece of wire.

Note:

Brake hose/pipe is never to be twisted or kinked.

• ‒ Screw out cross-head bolt for brake disc and detach brake disc.
• ‒ Unscrew twelve-point nut.
• ‒ → Use puller Kukko 20-2 -Item A- to detach wheel bearing/wheel hub unit.

• ‒ → Use puller Kukko 204/1 -Item A- to detach bearing inner race from stub axle.

Installing

Install in reverse order, paying attention to the following:

• ‒ → Slide wheel bearing/wheel hub unit as far as possible onto stub axle.
• ‒ Screw on assembly tool 3420 and pull on wheel hub/wheel bearing unit as far as stop.
• ‒ Unscrew assembly tool 3420.

• ‒ → Fit new twelve-point nut and tighten.

• ‒ → Use fitting sleeve 3241/4 to drive on grease cap.

Note:

Moisture can enter through damaged (dented) grease caps. For this reason, always use the special tool shown.

• ‒ Fit brake disc and brake caliper.

=> Brake System; Repair Group 46

Tightening torque

    1)    45°corresponds to one eighth of a turn

    2)    Replace nut