The expansion tank and its cap are critical components in any Truck or heavy duty vehicle's cooling system, responsible for maintaining the proper coolant volume and pressure in the engine. As the engine temperature rises, the coolant temperature increases, causing the liquid to expand and the pressure in the cooling circuit to rise.

The expansion tank compensates for these volume changes, while the cap regulates pressure changes using an integrated pressure relief valve. Together, these components ensure that the vehicle can be operated without the risk of irreversible damage, even under extreme conditions.

The expansion tank works by utilizing the residual volume after filling the cooling circuit to compensate for any volume variations that occur. The cap ensures the tightness of the cooling circuit and regulates the pressure to maintain optimal engine performance, crucial for Trucks and heavy duty vehicles.

Regular maintenance checks of the expansion tank and its cap are essential for ensuring the proper functioning of the vehicle's cooling system, preventing leaks and malfunctions that could lead to costly repairs and downtime for Truck and heavy duty operators. Any detected issues should be addressed promptly to avoid any further damage to the engine or cooling system.

The expansion tank and its cap are vital components of any Truck or heavy duty vehicle's cooling system, responsible for maintaining coolant volume and pressure to ensure optimal engine performance. Regular maintenance and prompt replacement when necessary are crucial for preventing leaks and malfunctions and avoiding costly repairs. Proper maintenance of these components can help Truck and heavy duty operators keep their vehicles running efficiently and reliably.

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Map Thermostat

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Motorized Thermostat

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Brake Light Switch

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Expansion Tank

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