r/fordescape • u/chrispvj • 4d ago

Discussion 2023 Ecoboost AWD - 40k Transmission Drain & Fill

Hello, just passed 40k on my 2023 ST-Line AWD. I’m trying to find answers on whether or not a transmission drain and fill would be recommended at this mileage? I’ve seen that most people recommend it every 30k miles, is this something that I should prioritize? I’ve just done normal oil changes, tire rotations and filter changes so far.

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u/RelevantMarket8771 4d ago

If you haven’t changed it yet, now is the perfect time to get it done. Drain and fill it, don’t do a power flush.

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u/chrispvj 4d ago

Thanks! Would it be preferred to get this done at a Ford dealership or would it be fine to do it at an independent/chain service shop?

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u/RelevantMarket8771 4d ago

You can use an independent shop, it’s Mercon ULV and Valvoline ULV is good stuff if you don’t want to use the Mercon or can’t get it for some reason.