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That makes sense, I did 2 drains and refills at 35k. The original factory fluid was black, and after the first drain and fill, taking it for a drive, the fluid was clear purple. After the second drain and fill the fluid was bright red. Yeah, it’s a lot of fluid expense, but worth the effort...

So you’re saying the dealership did a flush with the existing dirty fluid and never drained and filled it with clean fluid? If they did actually flush it, where did they connect the flushing machine?

I’m doing the drain and fill every 30k. It’s very easy and cheap to do.

The original first fill plug from the factory was not magnetic, but the drain plug is magnetic. I replaced both plugs with magnetic versions as Ford recommends the Service Manual. I ordered the two plugs at the dealership parts counter, only a couple dollars each, and I believe it was with...

I do 30K fluid changes on the RDU, PTU and Transmission, pretty easy to do. Many on this forum have voiced their opinion that 30k is too short of an interval for those components to have fluids exchanged out. I believe they are high heat and load bearing fluids, and I would rather use shorter...

Replacing critical fluids myself since day one has been easy and cheaper - engine oil every 5k mi, transmission oil every 30k, PTU/RDU every 35k. All of those maintenance actions done together at our dealership is generally over $1k. Doing it yourself cost is around $180-200. The PTU oil (1 qt)...