I just bought a 6MT 04' g35 coupe with 75k miles over the winter. I had no problems with it up until a week or two ago when the weather heated up to about mid 70's. After that, my clutch began sticking after stop and go traffic of 20 minutes or so. If I kept driving on it, it would stick further down towards the floor and I would have to pull it up by putting my foot under the clutch and physically pulling it up. I don't know if there are other threads that cover this or not--I'm new to the site... Sorry :/ Anything will help! What do I do?

 

first thing you need to do is bleed it.

if that doesnt do it, i would pop the slave off and check the return spring inside of it.
bench bleed and reinstall.

 

I just did my clutch. I was able to get it on amazon.com for 224$ (clutch kit)
Good luck