Join Date: Jul 2011
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Transmission Fluid Change?
I bought my truck with 78,000 miles on the odo, and without looking at the scheduled maintenance log I assumed that the previous owner had gotten the ATF changed every 30,000. I've done all my own maintenance and fluid/filter changes since I bought it, but I can't change what was or wasn't done to it prior to my purchase.
Now, as I have been pouring over the maintenance log, I'm not sure that it's ever been changed (currently I'm around 87,000 - about to be at the 3rd interval). Mechanic tells me if I'm not sure it's been changed yet, I should just see how far I can go without having any issues. The dealership service tech (I wanted a second opinion) told me to change it, it wouldn't hurt anything. I can't take him too seriously though, because he was adamant about me using Gold coolant - even though I didn't ask for his opinion on the matter.
It seems like there's a group of people that recommend just dropping the pan, and filling up the system with 4 or 5 qts. Others seem to think a full out flush would be fine. So now I'm coming to you all to see what you think. I don't like the idea of riding out my transmission till its death, but I also don't want to speed that up by doing something that will hurt it.
As always, thanks for the help.