Explorer Sport Trac 2WD V6-4.0L (2009)
5. Install the dye/lubricant injector between the low-side service gauge port valve and the refrigerant service station or manifold gauge set.
6. Open all valves and charge the refrigerant system. For additional information, refer to Air Conditioning (A/C) System Recovery, Evacuation and
Charging See: Service and Repair/Air Conditioning (A/C) System Recovery, Evacuation and Charging.