90S Quattro (Canada) V6-2.8L (AAH) (1993)
Steering Gear: Service and Repair
Bleed Procedure
Steering system, bleeding/filling
CAUTION: Do not reuse drained hydraulic oil.
Top up hydraulic oil to MAX mark
With vehicle jacked up and engine off, turn steering wheel sharply from lock to lock several times to enable air to escape
Top up hydraulic oil to MAX marking
Start engine and let idle for approximately 2 minutes with wheels in straight-ahead position
Watch fluid level
As soon as there are no rising bubbles in reservoir, turn engine OFF and immediately check oil level; if necessary top up with hydraulic oil to MAX
mark
Note: The steering system will bleed itself after some time once the engine is running.
Steering system, checking for leaks (with engine running)
Note: If the fluid level in the reservoir is low, the complete system must always be checked for leaks.
Turn the steering wheel to full lock in each direction and hold briefly in this position in order to build up maximum pressure in the connecting lines
With the steering wheel at full lock carry out the following visual checks for leaks:
Rotary piston valve
Steering rack seal (remove hose clamp on boot and push boot to one side)
Pump
Hose connections