Where is the low pressure port for freon refill? on 2002 Ford Expedition

I can only find the high side evac port.

by in La Plata, MD on April 04, 2010
1 answer 2 comments
ANSWER by on July 16, 2010
where do u add freon
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COMMENT by on October 24, 2010
its by the passenger side headlight and has a black screw on cap on it. It is the larger of the two.
COMMENT by on March 31, 2012
Hate to tell you, but the large black-capped port is not the place. Neither the gauge for pressure testing nor the hose fit this port. Supposed to be a smaller blue-capped port, but cannot locate one on this vehicle (we have an F-150, a Freestar van and a Mustang besides the Expo so we are not Ford virgins).