answersLogoWhite

0

Radiator pressure is caused by coolant expanding as it heats. The radiator cap allows that pressure to build until it reaches a certain point (determined by the manufacturer which is why it's important to use a proper cap for the vehicle) then a spring compresses and coolant is allowed past the cap seal. The coolant flows through a hose to the overflow tank.

Now here's the magic part. Back in the day, before reservoir tanks, that excess coolant just fell to the ground, wasted. Now, with the tank, the liquid is actually drawn back into the radiator as the engine (and coolant) cool. The result, an always full radiator

Cheers

User Avatar

Wiki User

12y ago

What else can I help you with?

Continue Learning about Physics

How do pressure activated cooling pads work to provide a cooling effect?

Pressure-activated cooling pads work by using a gel or liquid that absorbs heat when pressure is applied. When you lie down on the pad, the pressure causes the gel to release the stored heat, creating a cooling effect on your body.


Why does cooling of an area cause high pressure in the region?

Cooling of an area causes high pressure because cold air is denser than warm air. As the air cools, it contracts and becomes more compact, leading to an increase in pressure within the system. This change in pressure can result in high-pressure systems forming in the region.


Why does oil found in an oil trap shoot upward when a well is dug into it?

Oil is under pressure underground, and when a well is dug into an oil trap, the release of this pressure causes the oil to shoot upward. This natural upward flow is driven by the difference in pressure between the oil reservoir and the surface.


What causes the turbine of a hydro-electric dam to turn?

The turbine of a hydro-electric dam turns when water from the dam's reservoir flows through it at high pressure, causing the turbine blades to spin. This spinning motion is then transferred to a generator, where it produces electricity through electromagnetic induction.


How the barometer is used?

A barometer is advice used to atmospheric pressure. They are commonly contain water, air, or mercury. The medium used raises and falls in a tube with a reservoir at the base. The pressure from the outside air pushes on the medium in the exposed reservoir. This push is what causes the medium raise or fall. The measure of the barometer can indicate local weather patterns. High pressure indicates fair weather, while low pressure indicates a storm.

Related Questions

What causes coolant reservoir overflow or backup?

The radiator cap could be the cause of coolant reservoir overflow or backup. Have the cap checked to see if it is bad.


Why does antifreeze backup into the overflow tank?

Heat from the engine causes liquid to expand. It used to overflow onto the ground if it caused enough pressure to open the radiator cap. The overflow tanks were installed to automatically catch and return the coolant to the cooling system.


What causes a Pressure build up in cooling system and then forces water out of the overflow on expansion tank and then vehicle overheats?

A cracked head or bad head gasket or both.


What causes the antifreeze to go to the over flow tank?

Antifreeze can flow into the overflow tank due to the expansion of coolant as it heats up during engine operation. When the engine reaches high temperatures, pressure increases, causing excess coolant to overflow into the reservoir. Additionally, a malfunctioning radiator cap or a cooling system leak can also lead to coolant being forced into the overflow tank. When the engine cools down, some of this coolant may be drawn back into the system.


What are the common causes of overflow in a water heater?

Common causes of overflow in a water heater include a faulty pressure relief valve, excessive water pressure, a malfunctioning thermostat, or a buildup of sediment in the tank.


What causes a coolant reservoir to overflow in a 2001 Chevy Malibu during operation?

It could be a couple of things. The coolant system could be over full. There could be a clog in the radiator. Or possibly the thermostat but not likely. also, the ford coolant tank is pressure sealed, if the cap to the tank has a defective seal, it WILL overflow when you stop your car, or whenever the pressure builds


Why does Overflow Reservoir on 1999 Ford Taurus keep overflowing gauge doesn't read hot changed the hoses flushed Radiator replaced Thermostat and reservoir?

It sounds like you have a blown head gasket. Combustion gases can enter the cooling system through either a blown head gasket or cracked cylinder head. The gases (under pressure) force coolant out of the reservoir. This also causes a void in the upper part of the cooling system , leaving no coolant at the thermostat and the coolant temperature sending unit. The result is a erroneous temperature Reading and will even prevent the thermostat from opening.


How do pressure activated cooling pads work to provide a cooling effect?

Pressure-activated cooling pads work by using a gel or liquid that absorbs heat when pressure is applied. When you lie down on the pad, the pressure causes the gel to release the stored heat, creating a cooling effect on your body.


What is pressure cooling?

Pressure cooling is a type of cooling process that involves increasing the pressure of a substance, such as air or water, to lower its temperature. This is achieved by compressing the substance, which causes it to release heat and cool down. Pressure cooling is commonly used in refrigeration systems and air conditioning units to regulate temperature.


What are the common causes of overflow in a bathroom sink with overflow?

Common causes of overflow in a bathroom sink with overflow include a clogged drain, a faulty stopper or drain plug, or a malfunctioning overflow drain system.


What causes antifreeze to come out the overflow?

when your engine is hot it causes the water to boil and the water and the anti freeze will come out of the overflow pipe.


What causes antifreeze to overflow out of tank?

something.