btw, yesterday i posted in the maintenance repair section about my intermittent creaking clutch pedal. the noise coming from the csc, etc.
i changed fluid recently and that was causing the noise. i cycled the car and it's noise free. csc not leaking any fluid. ranger method recommends prestone dot4 for corvettes, i used my usual valvoline dot4. after one cycle, noise free now.
if you guys are getting creaking after fluid change, it could be the fluid itself not providing the lube the system needs.