Motor Vehicle Maintenance & Repair Asked by Scorb on February 23, 2021
I have a 2014 Kia Rio with a 6 speed auto. It asks for SP-IV specification transmission fluid.
The transmission shop I am considering for a fluid change service, said that they use an all purpose Dexon6 fluid. They said they then add in a special friction modifier, which will then augment that fluid to meet different manufacturer specs.
So they take the base fluid and add in the ford spec friction modifier for a for trans, and add in a kia spec friction modifier for a kia.
Is this normal in the automotive service industry. Is this acceptable? Is this approved practice by OEMS?
I'd have concerns about invalidating your 10 year powertrain warranty on that car. Maybe get a quote from the dealer for the same service; if they do something similar, you know it'll be OK.
Answered by PeteCon on February 23, 2021
Not a single car maker approves of using a generic fluid and a friction modifier. If you're going to get a fluid flush or replacement, demand they use the factory recommended fluid or don't do it at all.
Answered by user9181 on February 23, 2021
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