WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
SPECIAL TOOL REFERENCE
Courtesy of FORD MOTOR CO.
A/C Flush Adapter Kit 219-00074 or equivalent
Courtesy of FORD MOTOR CO.
A/C Flush and Purge Fitting Kit 219-00024 or equivalent
Courtesy of FORD MOTOR CO.
A/C Flush and Purge Machine 219-00022 (part of 219-00023) or equivalent