I have this problem with my clutch and need help. It seems to center around second gear only. Whenever I downshift into second and let the clutch out I get this vibration in the pedal and the whole engine shakes. It has been so bad that it broke the drivers side axle. I had this problem with the prior clutch which had only 6000 miles on when I decided to replace it in hopes of curing the problem. With that clutch I also couldn't back up on a hill whatsoever. The clutch pedal would vibrate in and out and the car would not go anywhere. Now with the new clutch I can back up just fine but still get the problem in second gear. It will not do it in any other gear. I did replace the clutch cable with one from autozone a while back and am thinking that maybe the problem. This clutch doesn't even have 1000 miles on it and it's a spec brand clutch. Any ideas.