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What hoses connect to the heater core?
Both the upper and lower radiator hoses are the largest hoses in the cooling system connected to the engine. Heater hoses are smaller hoses that are attached to the heater core, which is located under the dashboard, to supply warmth to passengers in the cabin.
How do I know if my heater hose is bad?
Symptoms of a bad heater hose
- Smell of coolant when hood is open.
- Little or no heat coming out of heater.
- Low coolant level.
- Steam rising from under the hood.
- Temperature gauge runs hotter than normal.
- Coolant leaks from the heater hoses.
- Heater hoses that look cracked, nicked, bulging, collapsed, frayed, scraped, or swollen.
What’s the heater hose?
The heater hose is a key component of your engine’s cooling system. The purpose of the hose is to move coolant from the engine to the heater core located in the dash of your vehicle. Made with rubber and built with resistance to heat and coolant chemicals, they’re pre-molded to fit each vehicle’s cooling system.
Is the upper radiator hose the inlet?
The upper radiator hose is where the hot coolant enters the radiator from the engine. It cycles through the radiator, cooling as it goes. When it reaches the bottom, it moves out of the radiator through the lower hose and back into the engine to start the cycle once more.
Where is the heater core connected?
Two hoses connect to the heater core — one hose is tasked with transporting hot coolant from the water pump to the heater core. The second hose returns the coolant to the top of the engine. These hose connections are usually found on the passenger side of the engine firewall, but may also be found near the middle.
How do I know which is the inlet and outlet on radiator?
Finding out where the valve inlets are located on your radiator is fairly straight forward and is defined by the type of radiator you have. For example, you tend to find the valve inlet on a towel rail radiator located underneath the bottom of the radiator.