F 250 4WD HD Pickup V8-460 7.5L VIN G EFI (1997)
A/C Evaporator Core Housing: Service and Repair
SPECIAL SERVICE TOOL(S) REQUIRED
Spring Lock Coupling
Description
Tool Number
Spring Lock Coupling Disconnect Tool Set
TS4L-19623-B
REMOVAL
NOTE: Cap all open refrigerant lines and components to prevent entry of dirt and moisture into the A/C system.
1. Recover refrigerant from system following the recommended service procedures. Observe all safety precautions. See: Service and
Repair/Refrigerant Recovery
2. Disconnect vacuum supply hose at dash panel. Position A/C vacuum check valve away from A/C evaporator case.
3. Disconnect A/C manifold and tube from A/C evaporator core using Spring Lock Coupling Disconnect Tool Set T84L-19623B.
4. Disconnect evaporator to compressor suction line from suction accumulator/drier. Cap all open refrigerant lines to prevent entrance of dirt and
moisture.
5. Disconnect heater water hoses from heater core and plug heater water hoses with suitable 15.87 mm (5/8 inch) plugs.
6. Working in passenger compartment, remove two screws or nuts retaining bottom of A/C evaporator case to dash panel. One screw also attaches
lower edge of A/C evaporator case to dash panel.
7. Unplug A/C plenum vacuum harness and two wiring connectors to main wiring located near right end of plenum harness coming from recirc. duct
