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I appreciate your responses, I have a question about the valve body. Does the updated design offer any improvement to ride quality or is it just more reliable. I honestly am thinking of replacing all the lines that connect to this valve body, and the valve body. I have the dampener for front rear and return line. Looking to get the system tip top for next few years.
I wouldn't replace everything like that for the sake of it, certainly not the valve body. Remember the new valve body may simply be cheaper! I'm not aware of any particular benefits.
The solenoid O-rings in the valve block wear out over time, and they're definitely worth replacing.
Flexible hoses always fail eventually, so when you see a seepage like that, you're getting advance warning of a failure, so its time to replace.
Its good practice to replace the ABC oil and filter every three years or so.
I would personally recommend covering every flexible hose in the engine compartment with fire sleeve / heat sleeve / flexible aluminium hose. The hoses are a weak link, and protecting them from high temperatures improves their reliability.