F 250 2WD Pickup V6-4.2L VIN 2 (1998)
Heater Core Case: Service and Repair
REMOVAL
1. Disconnect the battery ground cable.
2. Recover the refrigerant.
3. Drain the radiator.
4. Remove the instrument panel. See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair
5. Disconnect the heater core hose couplings. See: Heater Hose/Service and Repair
6. Disconnect the refrigerant line spring lock couplings from the A/C evaporator core. See: Coupler HVAC/Service and Repair
7. Remove the plenum chamber nuts (engine side).
8. Disconnect the A/C vacuum hose from the A/C vacuum check valve.
