How to remove Air from Power Steering system?

[DSee]

Hi all,

Fit a fluid cooler into my Power Steering system last night. However I cleared a bit of air by turning the wheel side to side for about 5 mins. Any tips on how to get the rest of the air out?

Cheers

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[Dex90]

pretty sure the system is self bleeding which is why there's a hole in the cap.

 

[JamesBryan]

Turning lock to lock with the car running and the wheels in the air will do it.