Since I wrote the original DIY on the softtop motor, I have privately been keeps an informal tab on softtop issues. Over the last two or three years, more and more of the hydraulic actuators have been developing leaks. On some cars, just one actuator will fail. On others, both will fail.
Since I have been dealing with hydraulics on Submarines for the last 30 years, this really is to be expected after a long period of time and use. The seals will deform or 'roll' and now they need replaced. It is not a design issue.
I actually would like to get a hold of a failed actuator and take it apart to see if they can be rebuilt.
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