audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Wheels and tyres > < Checking steering system for leaks
Bleeding steering system
Bleeding steering system
–  Raise vehicle so that front wheels are free.
   
–  Open service flap in wheel housing liner (left-side).
–  Check hydraulic fluid level and top up if necessary → Chapter.
–  Start engine and run at idle for about 5 seconds.
–  Switch off engine and check hydraulic fluid level.
–  Repeat this procedure once.
–  Start engine again and with engine idling, turn steering wheel from lock to lock three times.
–  Switch engine off and check hydraulic fluid level; top up if necessary.
–  Repeat this procedure twice.
l  Leave engine switched off for 2 to 3 minutes to allow air bubbles to escape from hydraulic fluid.
–  Lower vehicle.
–  Start engine.
–  Turn steering wheel 5 times from lock to lock.
The system is bled when no more air bubbles rise in the hydraulic fluid reservoir.
–  Switch off engine and check hydraulic fluid level.
  A48-10681
–  After completing bleeding procedure, screw filler cap -1- hand-tight onto reservoir of motor/pump unit.
  A48-10697

Wheels and tyres > < Checking steering system for leaks