Hey all, so I was driving the other day and noticed my car wouldn't go into gear. And all the sudden I lost a lot of pressure in my clutch. We went to re-bleed it and probably tried over 6 methods. But now when I push the clutch there is absolutely no resistance and my foot just goes straight to the floor. Have any of you guys run into this issue? If so how did you fix it.

2007 cobalt ss supercharged.

FYI I drove it about 30 minutes before this happened and it was working perfectly fine. I think it is air in the system but we can't find a way to get it out. I also have a mity vac so if you guys have any ideas with that contraption please tell me.
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You can use a spare cap if you don't have the adapter, and pull some vacuum on the reservoir overnight. While doing it occasionally work the pedal down/up slowly and see if you can build pressure. Are you loosing fluid anywhere?

Also, forget what year exact changeover happened (I believe the 08-up), but the plate on the firewall was known for allowing the clutch master to push right through the other side, due to weak/thin sheet metal.