turbo charge

Hey everyone, Long story short, a buick dealership is fixing my 2017 Regal T. They lost the v band clamp that fits around the turbo to the exhaust intake. They are blaming me for not giving it to them even though I vividly remember and I have witnesses. Anyways apparently its a tough part to...

Help I have a 1978 Buick Regal sport coupe turbo charge.....a couple weeks ago I was driving and the turbo light came on and I lost all power I could do anything but come to a stop after that it ran a little shaky but then it started knocking and at first it didn't do it all the time only off...