For Jeep Grand Cherokee WK 3.0L 11-15 Heavy Duty Coolant Overflow Bottle Tank AU
How Expansion Tank works？
An expansion tank, also known as a coolant reservoir or overflow tank, is a critical component of a vehicle's cooling system. Its primary role is to manage the expansion and contraction of engine coolant as it heats and cools during engine operation.
Importance:
The expansion tank ensures the cooling system maintains a stable pressure and prevents the loss of coolant due to overflow. It helps regulate engine temperature, protecting the engine from overheating or running at inefficient temperatures. Additionally, by containing excess coolant, the tank also reduces the risk of leaks and the need for frequent coolant refills.
Features：
1. Coolant Storage
The expansion tank stores excess coolant that expands due to heat as the engine operates. As the engine cools down, the coolant contracts and is drawn back into the cooling system, ensuring optimal engine temperature regulation.
2. Pressure Relief Mechanism
The expansion tank is equipped with a pressure relief valve (usually integrated into the radiator cap or the tank itself). This valve opens when coolant pressure exceeds a safe level, preventing damage to the engine or other cooling system components due to excess pressure.
3. Visible Coolant Level Markings
The tank is usually made of transparent or semi-transparent plastic with clearly marked "Min" and "Max" lines. This allows easy monitoring of the coolant level without needing to open the radiator cap, making it convenient to check if the coolant level is adequate.
4. Heat-Resistant Material
Expansion tanks are made of heat-resistant materials (typically reinforced plastic or metal) that can withstand the high temperatures of the engine bay and the fluctuations in coolant temperature without degrading.
5. Integral Part of a Closed Cooling System
The expansion tank is part of a closed-loop cooling system, which helps maintain consistent pressure. This prevents coolant loss due to evaporation and allows the system to function more efficiently.
Fitment:
2011-2015 Jeep Grand Cherokee WK CRD 3.0L
Specifications:
Type: Expansion Tank
Warranty: Lifetime
Reference Numbers: 55037999AJ, 55037999AE, 55037999AH
Material: Plastic
Country/Region of Manufacture: Australia
Features: 100% Leak Tested, Durability Tested, No Drilling or Modifications Needed for Installation
In Package: 1x Expansion Tank
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