Changed Transmission filter and fluid plus Slick 50 tranny on my 2002 Toyota 4 Runner SR5 3.4 with 206,962 on the OD.
The Fluid container with the Dexron VI stated that it was Okay for vehicle recommending the Dex III
I only drove it 121 miles since the change. Now I noticed a lurch when coasting into a turn today and wondered if the SLick 50 was a mistake or the Dex VI was a mistake.
I was told that the Dex VI was synthetic and only good for new tranny’s. So I bought a gallon of the Dex III and I’m going to change it out tomorrow.
Question is: Did the Dex VI cause any problems in the 121 miles I put on it AND will the Dex III help flush out most of that Dex VI ?
I’m thinking I’ll drive it another 100 miles and change it again.
What do you think?