480LE Transmission Fluid Change
I just got through removing the pan for a fluid change and went to the store, Walmart and Auto Zone and neither had Dextron III transmission fluid. The young girl at Auto Zone said it was replaced wit...
Forum Discussion
Born To Travel wrote:From my previous post I don't want to run syn in an 18 year old trans with 99 k miles on it. I decided to go with the Super Tech(Dextron/Mercon) from Walmart that is compatible with Dextron 3, which was nowhere to be found in my area.
You can use Dex 6, as it is backwards compatible.. But it is at the lower level for viscosity, Meaning it is already as thin cold as Dex 3 is hot... Do you really want that in a engine compartment that runs as hot as the enclosed engine in an RV?.. I run Dex 3 in my 1995 4l80e in my RV..
