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you could have an air pocket in your core. the speakers check fuse.
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
A bad thermostat can cause overheating in a Nissan Frontier when the air conditioning is turned on. A bad compressor can also cause this.
If a 1988 Lincoln Town Car is blowing both hot and cold air when the air conditioning is on, there could be a problem with the thermostat. There might also be a problem with the level of refrigerant in the air conditioning pump.
!. You could have a bad heater core. 2. You could have a blown fuse. 3. Your thermostat could be bad. 4. Your air conditioning could be on.
Could be the Climate Control Unit or Clogged heater core.
Air conditioning.
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 steam could be coolant from a bad heater core.
Are you referring to automotive air conditioning systems? It could be a faulty compressor. It could also be a malfunction of the air door, which mixes air from the heater and air conditioning to provide finer temperature control.
It could lead to it indirectly.