Why Your Cooling System Needs Pressure

Lets take a look at why the pressure cap is important to the cooling system. Without it a Land Rover engine can be prone to suffer from overheating. Featuring the Sykes Pickevant pressure cap tester and Sealey cooling system pressure tester. We explore the radiator / expansion tank cap, explain why it is required to work correctly, pressurising the cooling system and an official explaination why pressure is required in the system.

From:Land Rover Toolbox Videos

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