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.

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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 343 (HVAC - CLIMATE CONTROL SYSTEM)GENERAL PROCEDURESREFRIGERANT OIL ADDINGOIL INJECTION USING A DYE/LUBRICANT INJECTOR

2004 Ford Econoline E150, Van Cargo, 4.6 W

Oil Injection Using a Dye/Lubricant Injector

2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Oil Injection Using a Dye/Lubricant Injector

WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: If fluorescent leak detection dye is also to be added during A/C charging, the dye may be added to the dye/lubricant injector along with the refrigerant oil.

Evacuate the refrigerant system. For additional information, REFER to AIR CONDITIONING (A/C) SYSTEM RECOVERY, EVACUATION AND CHARGING .
Assemble the dye/lubricant injector using the correct adapters to match the amount of PAG oil to be injected.
Verify that all the valves on the dye/lubricant injector are closed.

Fig 1: Locating Dye/Lubricant Injector Valves
Courtesy of FORD MOTOR CO.
Fill the dye/lubricant injector with the correct amount of clean PAG oil.

Fig 2: Locating Dye/Lubricant Injector Reservoir
Courtesy of FORD MOTOR CO.
Install the dye/lubricant injector between the low-side service gauge port valve and the refrigerant service station or manifold gauge set.
Open all valves and charge the refrigerant system. For additional information, REFER to AIR CONDITIONING (A/C) SYSTEM RECOVERY, EVACUATION AND CHARGING .

RENDER: 1.0x

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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.