A radiator reservoir tank, also known as an overflow tank or coolant expansion tank, is a component in a vehicle's cooling system designed to store excess coolant and maintain the proper level of coolant in the radiator. Here is a description of a radiator reservoir tank:
Construction: A radiator reservoir tank is typically made of durable plastic or polyethylene material, although some tanks may be made of metal. The tank is translucent or transparent, allowing for easy visual inspection of the coolant level.
Location: The radiator reservoir tank is usually located near the radiator or in close proximity to the engine. It is connected to the radiator via hoses, allowing for the flow of coolant between the two.
Function: The primary function of a radiator reservoir tank is to provide a storage space for excess coolant. As the engine heats up during operation, the coolant expands. When the pressure in the cooling system exceeds a certain level, the excess coolant flows into the reservoir tank through a pressure relief valve or a small overflow tube.
Coolant Recovery: The radiator reservoir tank also serves as a coolant recovery system. As the engine cools down, the coolant contracts, creating a vacuum in the cooling system. This vacuum draws the coolant back from the reservoir tank into the radiator, ensuring that the radiator remains filled with coolant and preventing the formation of air pockets.
Radiator reservoir tanks incorporate several features to effectively store and manage coolant in a vehicle's cooling system. Here are some key features commonly found in radiator reservoir tanks:
Material and Construction: Radiator reservoir tanks are typically made of durable plastic or polyethylene material. These materials are resistant to corrosion, heat, and chemical degradation, ensuring the longevity and reliability of the tank.
Transparent or Translucent Design: Most radiator reservoir tanks are designed to be translucent or transparent. This allows for easy visual inspection of the coolant level without the need to open the tank. The visibility helps in monitoring the coolant level and identifying any potential issues such as coolant leaks or contamination.
Coolant Level Indicator: Radiator reservoir tanks often have markings or indicators on the side of the tank. These indicators show the minimum and maximum levels of coolant, making it easy to check if the coolant level is within the recommended range. This feature helps vehicle owners or mechanics ensure proper coolant maintenance.
Pressure Cap: Radiator reservoir tanks are equipped with a pressure cap similar to the one found on the radiator. The pressure cap helps maintain the optimal pressure within the cooling system, preventing coolant from boiling at higher temperatures. It also allows excess pressure to be released to the atmosphere or the overflow tube if necessary.
| Part Name | Radiator Reservoir Tank |
|---|---|
| OEM number | 21710-JR80A |
| Car Model | Nissan Frontier 2.5 VQ40 YD25 Pathfinder R51 |
| Size | Standard |
| Quality | 100% Quality Tested |
| Warranty | 1 Year |
| Package | Rexwell Or As Customers' Requests |
| Shipment | DHL/UPS/FEDEX/Air Cargo/Sea Shipping |
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Radiator reservoir tanks are used in various applications where liquid cooling systems are employed, such as:
Automotive Vehicles: Radiator reservoir tanks are commonly used in cars, trucks, SUVs, and motorcycles. They are an integral part of the vehicle's cooling system, helping to store excess coolant, maintain the proper coolant level, and facilitate the expansion and contraction of the coolant as the engine heats up and cools down.
Heavy-Duty and Commercial Vehicles: Radiator reservoir tanks are essential in heavy-duty vehicles like trucks, buses, construction equipment, and commercial vehicles. These vehicles often have larger cooling systems and operate under demanding conditions. Radiator reservoir tanks ensure proper coolant management and help prevent overheating, engine damage, and downtime.
Recreational Vehicles: Radiator reservoir tanks are used in recreational vehicles (RVs), including motorhomes, campers, and trailers. These vehicles have their own cooling systems to regulate the engine temperature. Radiator reservoir tanks help maintain the coolant level and prevent overheating during long trips or when operating in hot climates.
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