Whining noise in transmission louder at higher speeds. Help, what is going on??? on 2004 Chevrolet Silverado 2500 HD

I had transmission flushed, greased etc. problem still exists Help, what is going on. Had it checked and was told I need a new transmission. I had transmission, transfer case replaced (the transfer case had no fluid and burned up) 3 yrs ago. Many thanks

by in Palm Desert, CA on March 19, 2013
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1 answer
ANSWER by , March 19, 2013
seek free diag from aamco