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 MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 569 (HVAC CONTROL SYSTEM - GENERAL INFORMATION & DIAGNOSTICS)GENERAL PROCEDURESREFRIGERANT OIL ADDINGOIL INJECTION USING A DYE/LUBRICANT INJECTOR
2009 Mercury Milan Premier, 3.0 1, AWD
Oil Injection Using a Dye/Lubricant Injector
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Oil Injection Using a Dye/Lubricant Injector
WARNING: This page is about a different car, the 2006 Mercury Montego, 2006 Ford Freestyle, and 2006 Ford Five Hundred. 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 refrigerant compressor oil to be injected.
- Verify that all the valves on the dye/lubricant injector are closed.
- Fill the dye/lubricant injector with the correct amount of clean, new PAG oil.
- 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
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.