Where in a 2002 Explorer XLT, 4.0, is the valve to add freon, aprox where do you locate it on the engine
Year : 2003
Make : Ford
Model: Exploer XLT
Engine: 4.0 L
I do not see a black or blue cap
Freon is added via the Low Side Service port. The refill can will only fit on the Low Side, as it is the smaller of the 2 ports. Locate the A/C compressor (see image) and follow the A/C line to the Right on the compressor up and back until you come to the Low Side Service Port.
18+yrs experience. State Inspector & Ford Diagnostics/Repair