2016 2.7L Differential and transfer case fluid change

newpain01 · Dec 16, 2023

I'm planning to change the differential and transfer case fluid in my 2016 F150 2.7L 2WD Ecoboost in the next few days. It has 130k miles and it's new to me, plus I believe it was never changed. Anything else I should change at this point?

Manual says:

Transfer case fluid:
(Electronic Shift-On-the-Fly) - Motorcraft Transfer Case Fluid XL-12
(Torque On Demand) - Motorcraft MERCON LV Automatic Transmission Fluid XT-10-QLVC

I have no idea what electronic shift on the fly or torque on demand means, how do I find out which one I have?

There is also:

Rear axle fluid - Motorcraft SAE 75W-85 Premium Synthetic Hypoid Gear Lubricant XY-75W85-QL

I assume the rear axle fluid is the differential fluid?

I also see "Front axle fluid - Motorcraft SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL", not sure what that is, does anyone know?

What are you guys running in yours?

Cheers

Justinjs · Dec 16, 2023

If you're 2wd, there is no transfer case.

newpain01 · Dec 16, 2023

Yes, it’s a 2WD and I was wondering about it but didn’t know for sure. Thanks for pointing that out!

In that case I only need to change the differential fluid, is that right? Is SAE 75W-85 the correct oil to use?

2016 2.7L Differential and transfer case fluid change

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