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

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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
(1) Answer
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