F 350 4WD Super Duty V10-6.8L VIN S (2004)
5. NOTE: Auxiliary climate control heater control valve is shown, non-auxiliary heater control valve is similar.
Remove the heater control valve.
1
Disconnect the vacuum line.
2
Release the clamps and disconnect the heater hoses.
3
Remove the heater control valve.
Vehicles equipped with auxiliary climate control
6. Release the clamp and disconnect the heater hose from the heater outlet hose.
7. Disconnect the heater hose couplings from the underbody auxiliary heater lines.
All vehicles