Most boats with hydraulic steering, and upper and lower stations manifest the problems in the upper station first, because of, well, gravity. The leak reduces the oil available to the entire system, and the air migrates up, oil stays down, (for the most part) so it's usually the upper station that has problems first, as demonstrated by several posters above. Doesn't necessarily mean that the upper station is where the leak is though. That's the point of my long winded post. A leak lower down will almost always manifest itself at the upper station first!
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Vessel Name: Muirgen
Vessel Model: 50' Beebe Passagemaker
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