[Z-linkCobra]

Air will generaly make for a soft and spongy pedal. It will almost feel as if your pushing on a spring instead of a shock absorber...if that makes sence. The amount of air you would have to have in the system for that much expansion due to heat would be alot. Im not sure you would even have a pedal if there was that much air.

Im thinking the clearence is getting tighter on the sleeve and not letting the bearing retract all the way. Why that is happening is the million dollar question. Maybe a little nick during set up, maybe it was machined wrong from the factory, etc etc etc.

I hate to say it but it need to be pulled and inspected. I think youll likely find the problem once you put an eyeball and a mic on it.

Gene