Thanks for all the replies. I will do first the PAS, flush it as much as possible before refill, then ACE.

sierrafery said:

Yes it works just make sure that the pump was well primed which means you'll have to see serious activity in the reservoir with engine running...then it will be OK

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Hello Fery
Thanks for the advices! I have followed your recommendations and refilled PAS and also ACE. What a massy job! When i have opened banjo on ace pump it covered everithing with oil after only 2-3 seconds. I took the car to a ride on a twisty road and everithing seems to be ok. How should i know the there os no air on the system? Is there any sign that something is wrong? The PAS is silent and the ACE also seems to be fine.

If there is serious activity in both reservoirs with engine running it should be OK

Yes, there is. Thanks