audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

ABOUT US
Removing and installing power steering box (LHD vehicles) > < Power steering box

A4 Mk3

Exploded view of power steering box
   
Exploded view of power steering box
The power steering box is removed and installed complete with track rods.
1 - Subframe
2 - Cross brace
3 - Steering column
4 - Bolt
q   30 Nm +90°
q   Always renew if removed
q   The tapped hole for the bolt must always be cleaned (e.g. with a thread tap)
5 - Nut
q   Always renew if removed
6 - Seal
q   Always renew if removed
7 - Return line
  Caution
Fully insert return line when installing.
q   Different versions available → Electronic parts catalogue
8 - Bolt
q   80 Nm +180°
q   Always renew if removed
9 - Power steering box with track rods
q   Removing and installing (LHD) → Chapter
q   Servicing → Chapter
q   Adjusting → Chapter
q   Different versions available → Electronic parts catalogue
10 - Track rod
q   Removing and installing → Chapter
11 - Track rod ball joint
q   Different versions with long or short pin thread; for correct version, refer to → Electronic parts catalogue
  WARNING
When renewing, make sure that the thread of the pin on the track rod ball joint is long enough (the thread should project about 5 mm beyond the steering arm). If this is not the case, a track rod ball joint with a longer pin thread must be fitted; for correct version refer to → Electronic parts catalogue.
q   Removing and installing → Chapter
12 - Bolt
q   20 Nm
13 - Pressure line
  Caution
Fully insert pressure line when installing.
q   Different versions available → Electronic parts catalogue
14 - Rubber mounting
q   6 Nm
15 - Union nut
q   40 Nm
16 - Nut
q   6 Nm
17 - Nut
q   Different versions; for correct version, refer to → Electronic parts catalogue
q   Note different nut versions and tightening torques → Anchor
q   Always renew if removed
18 - Wheel bearing housing

   
Nut versions
t  Hexagon flange nut -A-
Tightening torque: 20 Nm + 90°
t  Twelve-point nut with washer -B-
Tightening torque: 100 Nm
t  Hexagon nut with washer -C-
Tightening torque: 110 Nm
  A48-10610

Removing and installing power steering box (LHD vehicles) > < Power steering box