Ford Explorer

No EZ answer--a Repair Manual would have the Step X Steps and pics and diagrams

Or maybe this will help, it's sorta "Monkey See Monkey Do!"

Let me know if you find something that helps

Good Luck!

The Medic

Get a repair manual

EVAPORATOR CORE
NOTE:All major components of evaporator case assembly can be serviced without removing evaporator case from vehicle.

Removal
Disconnect negative battery cable. Discharge A/C system using approved refrigerant recovery/recycling equipment. Disconnect electrical connector from pressure switch on side of accumulator. Remove pressure switch from accumulator. Disconnect suction hose from accumulator. Disconnect refrigerant hose from evaporator. See Fig. 4. Cap openings.
Remove screws holding evaporator case service cover and vacuum reservoir to evaporator case assembly. Remove evaporator core and suction accumulator-drier assembly from vehicle.
NOTE:Hand-tighten plastic-base clutch cycling pressure switch. Tighten metal-base switch to 60-120 INCH lbs. (7-14 N.M).

Installation
To install, reverse removal procedure. Use new "O" rings lubricated with clean refrigerant oil. Evacuate, recharge, and leak test system.