I got the clutch actuator end-plug out. I grabbed the swaged cable end with vice grips, then stood on the GSA and yanked. Hard.
I disassembled all three actuators to scope out seals for them also.
I'm trying to understand the dual seal arrangement in the two gearshifter actuators.
There is an inner o-ring, and a stiff outer seal. The outer seal has a rectangular cross section, and feels stiff like teflon.
The shifter actuators appear to get dual-side pressure (?), where both sides of the piston have a fluid port. I'm thinking that leakage past the outer (teflon?) stiff seal doesn't matter, since both sides of the piston see fluid, and the computer monitors piston position constantly. A little leakage would just prompt the computer to port a little more pressure to one side or the other.
The clutch actuator though is different. It only has one pressure port. If fluid leaks past the piston seal, I think the leaked fluid will piss outside the GSA. Maybe that would be why more folks are reporting the clutch actuator leaking recently.
The top two are the gearshift pistons. The bottom one is the clutch actuator piston.
Here's the dual-seal on the two gearshift pistons. Outer seal is hard plastic, inner is a normal o-ring.
View looking into the clutch actuator bore. Only one fluid port.
View looking into one of the gearshifter actuator bores. One port in the bottom and another at the top of the bore.
