Air in PS fluid

[TacticalTruck]

I've tried three different fluids, 10W, ATF and hydraulic fluid. All the same. Mine seems to be doing it when you turn left not right which was more obvious when I disconnected the cooler and right ram. It's gotta be in the box. Guess I'll bite the bullet and swap it out, at least the fender comes off easy.

 

[TacticalTruck]

After more experimenting and speaking with a knowledgeable heavy truck mech, it was the ram on the right side.
Apparently a common problem in the real world including Massey-Fergueson tractors.

 

[NDT]

Was your local hydraulic shop able to rebuild the cylinder?

 

[TacticalTruck]

I swapped it out but I will rebuild it. Rebuilding hydraulic cylinders happens to be one of my services. I have a welding/machine shop business.
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