To properly warm the interior of your vehicle, then both heater hoses should be hot. If one is noticeably hotter than the other, then there could be a clog in the hose. In addition, if the heater hoses are cold, this is also a sign of clogged hoses.
What does it mean when both heater core hoses are hot?
If both heater hoses are hot then the core is getting hot coolant flowing through it. You should check the temperature blend door actuator behind the glove box on heater case to see if it is operating the temperature blend door or not. If the actuator is not moving then replace actuator and retest the heater output.
How hot should heater hoses be?
Check the temperature of the heater inlet and outlet hoses by feel. (The air temperature around the hoses must be at least 85°F (24 °C).
Why are my heater core hoses not getting hot?
Clogged Heater Core If the heater core becomes clogged up, coolant cannot flow around the heating matrix, radiator and engine, and can therefore not be used to heat the cabin. If you suspect the heater core to be clogged, a flush of the system will be necessary to restore it to working order.
What does it mean when both heater core hoses are hot?
If both heater hoses are hot then the core is getting hot coolant flowing through it. You should check the temperature blend door actuator behind the glove box on heater case to see if it is operating the temperature blend door or not. If the actuator is not moving then replace actuator and retest the heater output.
What should the temperature be on the heater core hose?
What should the heater core inlet hose temperature be? The hose from the radiator to the engine block is reading just over 200 degrees but the inlet hose to the heater core is only reading just over 150 degrees.
How to tell Inlet and outlet on heater core?
There are three ways to tell inlet and outlet on heater core. Pick one that suits you best. The inlet hose might have a heater control valve that manages the measure of coolant streaming into the heater core.
Where does the water come out of the heater core?
The water pipe (goes across the top of the engine) is the inlet of the hot coolant for the heater core. The other hose connects to a metal pipe that runs horizontally to the front of the engine. This goes to the inlet side of the pump, through which it returns to the engine. This is the outlet from the heater core.
What is a heater core?
A Heater core is an essential component of a cooling system. It looks like a small unit of a car radiator, designed with tiny gridlike tubes. The heater core sends warm air into the car interior via vents or heater ducts. It also aids the defroster and heater core to function. It is essential to know the heater’s core location for easy diagnosis.
Below you will find two interesting articles on a similar topic 👇
What would happen to the engine if the thermostat is stuck closed?How do you check if my radiator is clogged?
