Orange to Yellow Coolant per Ford Bulletin (2024)

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Orange to Yellow Coolant per Ford Bulletin (2)10-15-2020, 11:10 AM#1

rayan

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Orange to Yellow Coolant per Ford Bulletin

Just wanted to share this. Was going to buy a gallon of the orange coolant that is in my 2019 Tiffin with V10 for topping off purposes but was informed by the ford parts guy that it has been replaced by the Yellow VC-13 coolant and it is ok to mix. Ford bulletin dated Aug 2020 Version 2.I have attached the bulletin

Attached Files
Orange to Yellow Coolant per Ford Bulletin (6)FCSD Motorcraft Yellow Antifreeze-Coolant Backward Compatability.pdf (151.3 KB, 508 views)

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Orange to Yellow Coolant per Ford Bulletin (10)10-15-2020, 11:55 AM#2

RRR

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Orange to Yellow Coolant per Ford Bulletin (11)Orange to Yellow Coolant per Ford Bulletin (12)Orange to Yellow Coolant per Ford Bulletin (13)Orange to Yellow Coolant per Ford Bulletin (14)Orange to Yellow Coolant per Ford Bulletin (15)Orange to Yellow Coolant per Ford Bulletin (16)

Ford Super Duty Owner

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Thanks, good to know.

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Orange to Yellow Coolant per Ford Bulletin (19)10-16-2020, 07:18 PM#3

Ddjay

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“...can be used...” not “...must be used...”

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2019 Tiffin Allegro Open Road 32 SA, Ruby Too.
2016 Subaru Crosstrek, Soobie.
2004 Lazy Daze Class C (sold) Ruby

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Orange to Yellow Coolant per Ford Bulletin (25)10-17-2020, 05:47 AM#4

Sweetbriar

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Keep in mind the coolant type for the V10 did changed over the years starting out with the green ESE-M97B44-A coolant then switching to the gold WSS-M97B51-A1 during model year 2003 production before settling in with the orange WSS-M97B44-D2 starting in model year 2015.

The bulletin only address mixing yellow colored coolant with green or orange and makes no mention of mixing with the gold. Owners should verify what is currently in the engine and checking if what they are adding is compatible.

If you need to top off and are unsure about what coolant is in the engine then stick with straight distilled water. Slight dilution due to minor topping off shouldn't compromise the coolant too much unless you're adding a lot to the system over time between maintenance intervals.

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2006 Hurricane 31D built on a 2006 Ford F53

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Orange to Yellow Coolant per Ford Bulletin (35)10-17-2020, 08:16 PM#5

NXR

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Quote:

The bulletin only address mixing yellow colored coolant with green or orange and makes no mention of mixing with the gold.

Indirectly it does:

Ford Engineering has approved the use of yellow-colored Motorcraft® Yellow Antifreeze/Coolant (Ford specifications WSS-M97B57-A1 and WSS-M97B57-A2) to service all Ford, Lincoln, and Mercury vehicles factory-filled with the following antifreeze/coolants:

• Orange-colored Motorcraft® Orange Antifreeze/Coolant (Ford specifications WSSM97B44-D and WSS-M97B44-D2)

• Dark green-colored Motorcraft® Specialty Green Engine Coolant with Bittering Agent (Ford specification WSS-M97B55-A)

Important: Do not use Motorcraft® Yellow Antifreeze/Coolant to service Ford, Lincoln, and Mercury vehicles factory-filled with any other Motorcraft® antifreeze/coolant.
In the case of these vehicles, Motorcraft® Yellow Antifreeze/Coolant is not compatible and therefore is not approved for use. Continue to service these vehicles using only the correct recommended antifreeze/coolant.

Ray

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Orange to Yellow Coolant per Ford Bulletin (46)11-05-2020, 07:05 PM#6

Tlmr4784

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Ford Super Duty Owner

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Location: Oak Island, North Carolina

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Talk about confusion......
In the old days we used the best product we could afford, Prestone Anti Freeze.
Yellow, green, as long @ it was at least, 50/50 your good to go.

Orange to Yellow Coolant per Ford Bulletin (51)


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