Call Mike-239 878 4686. He has a shop on 41 right near Jasper.
I'm having the exact same prolem and going to try and bleed mine here in just a few minutes. I talked to him about mine on the phone and said that's what it needed.
The bad part is it's because of a leak in my steering cylinder.( on the motor end ) Run your finger along the bottom of it and if there is fluid on it- you have a leak too!
But, he also said you might bleed it and have it last awhile before having the seals replaced $80 in parts and 2 hrs labor @ $75 an hr.
Tell him Ron sent ya', he did me right on a seal leak in my lower unit.