Front and rear axle oil change

[m4rioo]

Hi everyone. It's time to change the front and rear axle oil. I'd appreciate any advice on which oil to use for which axle. The internet offers varying specifications—75W for the RDU and 75W-85 for the PTU. I'm completely lost as to which to use, as other sources suggest 75W-140. My car is a 2023 Edge with AWD and a 2.0 EcoBoost engine. If you have any documentation for my car, including the oil specifications, I'd be grateful.

[1004ron]

4 hours ago, m4rioo said:

The internet offers varying specifications—75W for the RDU and 75W-85 for the PTU. 

For the specific viscosity/weight of the oil in each part consult your owner's manual, then select a reputable brand such as AMSOIL, Redline, .......

 

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[Biker]

17 hours ago, m4rioo said:

Hi everyone. It's time to change the front and rear axle oil. I'd appreciate any advice on which oil to use for which axle. The internet offers varying specifications—75W for the RDU and 75W-85 for the PTU. I'm completely lost as to which to use, as other sources suggest 75W-140. My car is a 2023 Edge with AWD and a 2.0 EcoBoost engine. If you have any documentation for my car, including the oil specifications, I'd be grateful.

I'm not normally a dealership guy, but I went there for the fluids. I almost fainted at the price of RDU oil, but it didn't take much. 

 

Tips: the RDU is rubber mounted, you can pry it slightly to get acess to the fill plug. The PTU is pretty easy. Just a bit of automotive yoga to get to the fill plug.