Why is my thermostat blowing hot air instead of cold?
Some common reasons your AC is blowing warm air include: The thermostat is on the wrong fan setting. The outside AC unit is clogged and/or dirty. The breaker has tripped.
Why is my truck not blowing out hot air?
Faulty Heater Core 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.
What happens when thermostat blows?
A faulty thermostat most likely causes it to remain in its closed position. This means when the engine is running hot and the coolant normally flows toward it, the closed thermostat will block the coolant from going into the engine. This will cause the coolant to overflow from the thermostat housing.
How does the cooling system work on a Toyota Tacoma?
The 2001 Toyota Tacoma’s cooling system uses a thermostat that attaches to the engine via the lower radiator hose. When the engine is cold, the thermostat remains closed to help the truck quickly reach operating temperature. Once warm, the thermostat opens, allowing coolant to flow through the engine.
How do you change the thermostat housing on a car?
Close the radiator drain plug and replace the engine block drain plug when the coolant has completely drained. Locate thermostat housing by following the lower radiator hose to where it connects to the engine. Unscrew the two nuts that hold the housing to the engine with a socket wrench. Pull the housing off the engine.
What happens to the thermostat when the engine is cold?
When the engine is cold, the thermostat remains closed to help the truck quickly reach operating temperature. Once warm, the thermostat opens, allowing coolant to flow through the engine. A thermostat that is malfunctioning can cause the vehicle to take too long to warm up or can cause the vehicle to overheat; in either case, it should be replaced.