coolant/anti-freeze topping off procedure - Mustang Ecoboost Forum
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post #1 of 3 Old 03-09-2019, 08:02 PM Thread Starter
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Join Date: Feb 2018
Location: Nevada
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Question coolant/anti-freeze topping off procedure

What is the coolant/antifreeze topping off procedure ?

I want to top off my car, and want to know the correct way to do it.
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post #2 of 3 Old 03-10-2019, 06:52 AM Thread Starter
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I don't have to bleed the cooling system anywhere, do I? I know how to add coolant antifreeze to the tank, I just don't know if you have to bleed the system as you/after you fill it. I don't want to warp the head or something.
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post #3 of 3 Old 03-12-2019, 07:52 AM
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Pretty simple procedure. Stock coolant is good for 100,000 miles. Car holds 9.5 quarts of coolant in total.

To check the car to see if it requires more coolant first wait until the engine is cold and the car is parked on a level surface. Look at the MIN & MAX marks on the coolant expansion tank. If the coolant level is below the MIN line, add coolant. If it is above the MIN line no added coolant is necessary.

Ford says to use: Engine coolant (U.S. and Mexico): WSS-M97B44-D2 Motorcraft Orange Antifreeze/Coolant Prediluted VC-3DIL-B.

Of course all this information can also be found on pages 216 & 267 of your 2015 Mustang Ecoboost Owners manual.


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