I got a 97 z28 with a t56 and i just had a new sound and feel come up today... when i downshift to second.. only second with clutch still pressed on the floor my tranny makes an awful sound like somethin is rubbin together or somethin? if goes away if i take my foot off the clutch though and engage.. plus i feel vibration in the clutch pedded and the shifter almot every gear i shift... please help.. rebuild time or what?

Tim

 

Check your throw out bearing.