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GM auto transmissions from 2005-and-earlier model-year vehicles that are no longer under warranty, where the OEM previously specified DEXRON III H, DEXRON II or DEXRON ATF.
X2- For all 2005 and prior GM VehiclesDexron III or Dexron IV.
USE THE RIGHT TRANSMISSION FLUID – GM Service Insights
gmserviceinsights.com
Regarding ACDelco ATF Type III,
These 4L60-Es and 4L80-Es originally called for Dexron III, so the ACDelco ATF Type III is an appropriate ATF.
I use Castrol Transmax Dex/Merc.
Dex IV
Dexron IV
LOL yup.Just to clarify, you guys meant Dexron VI (6), right? As far as I know Dexron IV (4) was never a thing.
This is why I never use the Roman numerals.![]()
Just to clarify, you guys meant Dexron VI (6), right? As far as I know Dexron IV (4) was never a thing.
This is why I never use the Roman numerals.![]()