That's also good advice and I will do that if these others steps don't work. I am hopping the simple thing that Turn One said to do works, We will see. I have Power steering for the 1st time as of today so thats some Improvement!FWIW the chances of the problem being the steering box are extremely low. Disconnect the hydroboost from the power steering system and see what happens with the aeration. Use a process of elimination….