91 S10-Blazer transmission issue - wheel spins from stop

1991 CHEVROLET TRAILBLAZER
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TRM51
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4.3 V-6 with automatic transmission and a manual 4 wheel transfer case shift lever on the floor. When shift in to forward or reverse one of the wheels spins at high speed killing the engine. Is this a transmission or transfer case issue or both? Is my transmission toast? HELP!
Mar 11, 2007 at 6:51 PM
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MERLIN2021
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if all is good in 2 wheel drive...replace the control unit on transfer case!
Mar 11, 2007 at 9:16 PM
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TRM51
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[quote:54256d5cb2="merlin2021"]if all is good in 2 wheel drive...replace the control unit on transfer case![/quote:54256d5cb2]

Thanks for the reply!

On further investigation it does the same thing in all modes. 2 wheel/4wheel hi & 4 low. It is one of the rear wheels that is spining. It is acting like a manual transmission without a clutch.
Mar 12, 2007 at 1:36 PM
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