answersLogoWhite

0

Expansion of the water inside due to heat causes the system to be pressurised.

User Avatar

Wiki User

14y ago

What else can I help you with?

Related Questions

What causes a radiator to crack?

A radiator can crack due to a build-up of pressure from overheating, corrosion over time, or physical damage such as a collision or impact.


How do you pressure test radiator cap?

To pressure test a radiator cap, you will need a radiator pressure tester kit. Remove the radiator cap, attach the pressure tester to the radiator neck, and pump it up to the specified pressure level. Observe for any leaks or pressure loss to determine if the radiator cap is functioning properly.


What causes radiator leaks?

a hole in the radiator


What causes radiator to spurt water out while engine is running?

A hole in the radiator would do that, or a damaged radiator cap. It could be a cracked engine block that is allowing cylinder pressure into the cooling system, pressurizing the water until it breaks through a weak spot in the radiator.


Who invented the radiator pressure cap?

the radiator pressure cap was invented by Albert Einstein


What causes too much pressure in cooling system?

Wrong PSI radiator cap or defective radiator cap installed. NEW ANSWER: The above answer is true ( COULD BE ) But I would bet you have a BLOWN / LEAKING head gasket that is building pressure in the water / cooling system.


Should there be pressure in the radiator after cooling down?

No, there should not be pressure in the radiator after cooling down. If there is still pressure, it could indicate a problem with the radiator cap or the cooling system, such as a leak or a failing pressure release valve.


What causes radiator hoses to collapse?

Radiator hoses can collapse due to a restriction in the cooling system, such as a blocked radiator or thermostat. This restriction causes a vacuum to form in the hoses, leading them to collapse under the pressure difference. Additionally, weakened or deteriorating hoses can also collapse over time due to the force of the coolant flowing through them.


What are the causes of Diesel rabbit overheating?

Does the radiator cap hold the correct pressure? Has the coolant been in the motor for a very long time? Is there alot of scale buildup on the inside of the radiator? Is the water and antifreeze mixture right? Is the cars oil pressure good? Is the thermostat stuck closed? Any of these will do it.


How do you pressure check a car radiator for leaks?

You attach a pressure test kit to where the radiator cap goes, and pressurize the system. If it holds pressure, it's good.


Where is coolant pressure release valve for a 2004 dodge caravan?

The radiator cap controls cooling system pressure.The radiator cap controls cooling system pressure.


What cause engine to run hot on a PT cruiser?

Normal causes are low coolant and an inoperative radiator fan.Normal causes are low coolant and an inoperative radiator fan.