2002 Ford Expedition Q&A
2002 Ford Expedition Question: Heater in front blows cold
Most commom problem is blend door problems in the front HVAC unit. Will need to have someone familar with those type of repairs to check and see if what your problem is. - milesauto
Some Ford trucks have a vacuum operated valve in the heater line for the front unit. Check lines to and from unit by feeling if they are hot. If not valve may be bad. If lines are hot then it could be a Blendoor or possibly a control problem. - Dr Quick
I changed the thermostat; checked the coolant level;checked the fuses and relays(to the best of my ability); discovered this truck does not have a heater control valve; verified that the rear fan d...
I had the manifold and manifold gasket replaced along with the thermostat and since the front only blows cold air when heat is on but the back blows hot now I am smelling antifreeze also since the ...
So, here's what I've done: (1) checked coolant level, (2) confirmed blend door is working perfectly, (3) confirmed that both inlet/output tubes to the heater core on the firewall are hot, (4) torn ...