So I was working on my alarm and remote starter today and started my car up shut it down. Then when I started it back up and it made a loud grinding sound then gets lower and engine starts to idle. After a few pumps of the clutch pedal the noise stops when the clutch is disanguaged but starts again when i press my clutch in. I drove it around my block and it does not do it while running but does when im changing gears. I dont believe it is my gears my guess is maybe a throw out bearing but need your opinios. I sometimes play with my car and powershift if that helps in diagnosing opinions.