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The location of the coolant hose depends on the specific model of the car. However, in general, cooling tubes are located around the engine and are used to transport coolant from the engine radiator to the engine.

Where is the coolant hose located

Upper hose: The upper hose connects the engine radiator to the engine. It carries coolant from the radiator to the engine.
Lower hose: The lower hose connects the engine to the engine radiator. It carries coolant from the engine to the radiator.
Sub hose: The sub hose connects the engine radiator to the engine’s coolant reservoir. It is used to replenish the coolant.
Thermostat Hose: The thermostat hose connects the engine radiator to the thermostat. It is used to control the flow of coolant.
Heater Hose: The heater hose connects the engine radiator to the interior heater. It is used to provide warm air inside the car.

4 steps to find the coolant hose located

  1. Check the repair manual of your car. The service manual usually provides information on the location of the cooling hose.
  2. Check the hood of the car. The cooling tube is usually located under the hood.
  3. using automotive repair tools, such as screwdrivers and wrenches, remove the parts under the hood in order to view the location of the cooling tube.
  4. Cooling tubes are an important part of your car’s cooling system. If the cooling pipes are damaged, it may cause the engine to overheat. Therefore, it is important to regularly check the cooling pipes for damage.

Checking and Maintaining Cooling Water Pipes

To ensure that the cooling water tubes are working properly and to prevent potential malfunctions, here are some inspection and maintenance recommendations:

  1. Periodic inspection: Periodically check the cooling water tubes for leaks, cracks or damage. This can be done by visual inspection or by gently touching the surface of the hose.
  2. Pay attention to the temperature: If you find that the cooling water temperature is abnormally high or the thermometer indicates abnormality, it may be a sign of a problem with the cooling water pipe.
  3. Replace deteriorated parts: Cooling water pipes usually deteriorate due to prolonged heat exposure. If deterioration or damage is found, replace them promptly.
  4. Check coolant level: Make sure the coolant level in the cooling system is within the proper range and not too low or too high.
  5. Use the proper coolant: Make sure you use the correct type of coolant to prevent corrosion and clogging.
  6. Follow manufacturer’s recommendations: Most importantly, follow the vehicle manufacturer’s recommendations and maintenance schedule to ensure proper operation of the cooling system.


Cooling water pipes play a critical role in a car’s cooling system, ensuring that the engine works properly and avoids overheating. While their location and design varies from model to model, they can usually be found at the top and bottom of the engine. Knowing where to locate and how to maintain your cooling water pipes will help extend the life of your car and reduce unnecessary repair costs.

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