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HOMESERVICE MANUALSFORD2021EDGE SE, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 34 (CLIMATE CONTROL SYSTEM - GENERAL INFORMATION)GENERAL PROCEDURESFLUORESCENT DYE LEAK DETECTION
2021 Ford Edge SE, 4WD

Fluorescent Dye Leak Detection

2021 Ford Edge SE, 4WDSECTION Fluorescent Dye Leak Detection
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 .

Special Tool(s) / General Equipment 

UV Leak Detector
Fluorescent Dye Injector

Activation 

Fluorescent Dye Injection Using a R-134a Air Conditioning Service Unit and Dye Injector - Vehicles Requiring R-134a Addition 

NOTE: This method of fluorescent dye injection requires the addition of R-134a from a R-134a Air Conditioning Service Unit or R-134a Manifold Gauge Set hooked to an external tank to charge the dye into the refrigerant system. If adding fluorescent dye to a refrigerant system that is already fully charged, use the method R-134a Fluorescent Dye Injector - Vehicles Not Requiring R-134a Addition.
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.