check for leaks, usually wet in the interior front. do or have a pressure test done on the system, use the color dye to identify the location. If that is not the problem then that leave 2 more to try. the problem may be in the venting of the air. sometimes the vent controls don't work.(redirect the air) They can get stuck. they have three main methods of control. electical, mechanical, or vaccum. that is what i can think of for the minute. hope it helps. duboff it will leak fluid. however they can become plugged if you have failed to change your antifreeze for a long time. this would restricting the flow throw it. If your radiator is gummed up odds are the heater core is also... only check while the engines cold!
bad heater core bad heater core
COULD BE A BAD HEATER CORE COULD BE A BAD HEATER CORE sounds like the heater control switch needs replacing.if that doesnt fix it, you need new heater core
The most common signs of a bad heater core are; no heat or fluid leaking into the passenger compartment. The heater core can have a leak or it can be plugged.
coolant on the floor
You know the heater core is bad when your truck leaks antifreeze onto the floor of the passenger side.
The first sign that a heater core is bad is the lack of heat from the blower motor on a vehicle. The second sign that a heater core is bad is water on the floor of the passenger side foot well on a vehicle.
Check the heater core, it is probably bad. It could be heater hose connections to the heater core, but I would bet on the heater core going bad.
no heat can be caused by,blocked heater core insufficient coolant in engine blocked heater hoses from engine to heater core bad heater thermostat bad thermostat in engine bad heater control switch
you have a bad heater core
when your feet are wet-(the core is leaking!)
no, no its not
smoky mist coming from the heater vents.
Probably a bad heater core.
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.
No it wont. The heater core is just a small radiator inside the cabin that when the fan is turned on heats the air. A bad heater core will cause you to have no heat inside or will leak coolant on the carpet.
On the 1994 BMW 530i, the heater core is located under the dash in the engine compartment. You know the heater core is bad when it starts to leak.
is your heater core bad or thermostat bad need more details
Most likely a bad heater core
could be a number of reasons etc bad thermostat,clogged heater core,leaking heater core,
Those are the classic symptoms for a heater matrix (core) leaking
Low coolant? Bad thermostat? Heater control cable not adjusted properly? Heater core airbound? Heater core plugged?
bad heater core
I also need an answer to this question, but my floorboard does not get wet. Is it clogged or is it a bad heater core? It is most likely a bad heater-core if it is antifreeze.
Only if the coolant is leaking from the heater core, but you will see this.
your windshield seal could be bad or you may have a bad heater core if it is leaking bad you'll know soon enough, its the heater core!. Mines doing the same thing and its the heater core. The bad news is that the part is only 75.-100. bucks but the labor will eat you alive.