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Pressure Testing

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Pressure testing is an ideal way of finding the source of coolant leaks within your cooling system. The process involves securing a specialised pressure testing tool in place of your car’s radiator cap. Air is then pumped into the cooling system and measured for pressure. If there is a loss of pressure, there’s a leak in your cooling system.


Pressure testing also reveals the location of any leaks. When air is pumped into a cooling system, a small amount of coolant is pushed through the breaches, revealing the location of the leaks.


Common areas in which leaks can occur include:

• Worn hoses

• Leaking radiator

• Leaking thermostat housing

• Leaking water pump

• Leaking heater

• Leaking head gasket or valley cover gasket