Aerio L4-2.0L (2002)
Power Steering Pump: Procedures
Air Bleeding Procedure
1. Jack up the front end of vehicle and apply safety stands.
2. Fill P/S fluid reservoir with fluid up to specified level.
NOTE: Before starting engine, place transmission gear shift lever in "Neutral" (shift selector lever to "P" range for A/T model), and set parking
brake.
3. After running engine at idling speed for 3 to 5 seconds, stop it and add fluid to satisfy specification.
4. With engine stopped, turn steering wheel to the right and left as far as it stops, repeat it a few times and fill fluid to specified level.
5. With engine running at idling speed, repeat stop-to-stop turn of steering wheel till all foams in P/S fluid reservoir are gone.
NOTE: Make sure to bleed air completely. If air remains in fluid, P/S pump may make humming noise or steering wheel may feel heavy.
6. Finally check to make sure that fluid is filled to specified level.
