A bad smell coming from the heater in a vehicle can indicate a bad heater core. One way to check this out is to see if the smell is worse when you sit in the passenger seat. If it is, there is a good chance the heater core is bad.
there is a whole in the heater core
the timing could be off. check the timing
It could be that the window motor has stopped working.
there could be ,the vent line if split can cause this dtc
You could have a bearing failing in the accessory drive, ie. water pump, alt, ac, ps....
Depending on which circuit Could be defective component Vibration causing a wire to short to ground
Heater core
A bad heater core / it needs to be replaced
its the heater core. but its not clogged. its cracked
have you checked the engine thermostat. I have a similar problem..no heat or air. according to a service manual there is a door at the heater core that is supposed to open when the heater switch is turned on. this could be the cause for both of our problems. any ideas for getting to the heater core?
heater core could be rusty and old or line to heater core could be plogged most likely old heater core
A blocked heater hose could cause a leak. A stopped up heater core could as well. Or the connector in the Windstar could be cracked.
the reason for water coming out from under the dash is that a hose could have broke or you have a problem with your heater. your heater works off of the water in the radaitor and since it gets hot from the motor well it serculates threw the heater and that's who your heater works
It could be coming from your heater core, may need to repair or replace it.
My 89 jeep Cherokee surges at idle and sometimes stalls but runs fine once you are going what could cause this?
Blocked heater core, faulty heater valve, disconnected connection to the heater valve.
It could be steam from the heater core
a bad water pump could cause low heat. The heater uses the coolant from the pump to generate heat.