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Operation of the Engine Cooling System

Model: (Various brands) Various

In this video tutorial, you will see a diagram representing the operation of the radiator and the entire cooling system of an internal combustion engine. It mainly consists of an internal radiator for the cabin and an external radiator that circulates the coolant through pipes, driven by the water pump. The radiator fluid plays a crucial role in dissipating excess heat, regulated by a thermostat that controls the flow of the correct amount of fluid and monitors the engine temperature.

Updated on 28 March 2026 by ScegliAuto

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How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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