Chevrolet Lumina Transmission Loud

I Have A Lumina (s), Model 2006...its A 3.6lit V6. Whenever I Start The Engine While Its Cold, There Is A Loud***** Sound. Makes Me Feel...

Earlier This Morning I Was On My Way Home From Work, And I Was Turning A Corner. The Next Thing I Know There Was A Loud Clunking Noise...

When I Am At A Stop Light, The Car Has Issues Accelorating. It Will Go To A Very High Rpm Then Suddenly Drop And The Gas Pedal Is Very...