Dexron VI Transmission fluid

Old 08-26-2011, 08:00 PM
  #1  
lanham
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Default Dexron VI Transmission fluid

Can you use Dexron III transmission fluid when it calls for Dexron VI fluid? Are the fluids the same?
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Old 08-27-2011, 03:35 AM
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TopspeedLowet
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NO
Bruce
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Old 09-18-2011, 03:06 PM
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john910
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Default dextron v1 trans fluid

what about using vI for III ?
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Old 09-19-2011, 03:22 AM
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TopspeedLowet
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What I have read in Gm's publications on transmission oil is that each newer number can be used for lower number fluids. Dextron 6 supersedes 5,4,and 3. You can use the recommended number fluid for the year or a higher number.
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