Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Cooling System Condition Evaluation
2021 Ford Edge SE, 4WDSECTION Cooling System Condition Evaluation
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
For information on Ford Color Coded Illustrations refer to OEM COLOR CODING .
Inspection
- Use the following table to evaluate the cooling system condition and choose the correct procedure to restore the system.
CONDITION ACTION A component in the cooling system has been removed to gain access to another component or system, or any of the following components have been replaced:
Charge air cooler (CAC)
Thermostat
Radiator
Coolant Pump
Cooling System hoses or tubesPerform coolant test procedure. For additional information, Refer to: Coolant Test . NOTE: *Except as part of a new engine or short block installation.Major coolant loss, including empty coolant bottle, more than 24 hours before repair*Evidence of stop leak being used*Coolant is being replaced*Perform cooling system flush. For additional information, Refer to: Cooling System Flushing - Without Fuel Contamination . Any of the following components have been replaced (except as part of a new engine or short block installation):
Fuel CoolerIf no oil contamination of the coolant, perform cooling system flush. For additional information, Refer to: Cooling System Flushing - Without Fuel Contamination . If coolant is contaminated with oil, perform with-contamination cooling system flush. For additional information, Refer to: Cooling System Flushing - With Fuel Contamination .
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.