There could be a blockage or other problem stopping heated antifreeze from moving through the heater core component. A valve or switch could be faulty, or the heater core could be a clogged. Wait until the engine has cooled down and check the coolant level, topping it up if needed.
Why is my truck not blowing out hot air?
The heater core looks (and works) similar to your car’s radiator — it’s made up of a series of narrow tubes and fins. Faulty heater cores and low or contaminated coolant levels often come hand in hand, and both issues may lead to your engine overheating and your heater not blowing hot air.
Why are my car vents blowing cold air?
There are a few basic issues that usually lead to the blowing of cool air from one’s car heating system: There isn’t enough coolant in the engine. There is a problem with your heater core. Your thermostats are not working correctly.
Why does my van heater keep blowing cold air?
If it is a problem with the heating core, then the coolant might not be reaching it, or the blower is not blowing air from it. If you suspect the heater core has a problem, then check for these signs; a fog inside the Van, smell a sweet fruity odour, high coolant usage rate and overheating the engine.
Why does my Vito air blower keep getting warm?
Vito Aircon issue! Whenever I turn the Aircon ON, by switching the dial button (compressor), instead of getting cool air, the air coming from the aircon vent were warm as if I just turn the blower on without running the compressor.
Why is my Mercedes Benz aircon not working?
The high pressure tube (connected to the aircon compressor) is also warm and will only begin to be chilly once my aircon vent blows cold air. I also found out that if I somehow moved the cable wiring coming from the fan going to the drier switch, it can somehow changed my aircon behavior.
Why is my a / C not blowing cool air?
Whenever I turn the Aircon ON, by switching the dial button (compressor), instead of getting cool air, the air coming from the aircon vent were warm as if I just turn the blower on without running the compressor. Without touching anything, it will then takes several minutes (approximately 10 minutes or more) before my A/C began to blow cool air.