2021 Mach 1 Greene antifreeze ?

[Scat2018]

I’m getting ready for whipple install and owners manual says Motorcraft yellow antifreeze. Mine looks like safety green.

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[JetGray_Mach1]

I am replacing my reservoir with the Steeda one. I went to Ford Parts dept to get antifreeze, I gave my vin and yep they gave me the Motorcraft yellow antifreeze same part number as the one listed on the manual. I don't see any compatibility issues between the two, and found some Ford documents. See below

Here is some links I found, seems like per the second-third link by Ford it is ok to add Yellow to Orange.

https://www.ford-trucks.com/article...to-know-about-ford-motorcraft-yellow-coolant/

https://www.fcsdchemicalsandlubrica...Antifreeze-Coolant Backward Compatability.pdf

https://www.motorcraft.com/content/...erence_charts/antifreeze_coolants_english.pdf

 

[WD Pro]

I’m getting ready for whipple install and owners manual says Motorcraft yellow antifreeze. Mine looks like safety green.

Assuming you have a Mach, you already have yellow anti freeze and yes, although they call it yellow it’s actually lime green :

I believe the change was mid 2020

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[Charlemagne]

They should colour match it to the car for everyone and not just you, @WD Pro

 

[Rael]

Um, I think the blue is meant for toilets.

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