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check or replace coolant thermostat or bleed the coolant system

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Q: Why water temp rises to red full when turn ignition on even cold on bmw e34 520i m20?
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Related questions

Does hot and cold water mix with food coloring when hot water rises to the top?

I think not because cold water is heaver than hot water and hot water rises to the top and cold drops to the bottom.


Does hot water rise and cold water sink?

HOT rises COLD sinks


When cold water is mixed with hot water the hot air rises up why?

The reason for this is convection, when the temperature rises the liquid (in this case water) expands, causing it to rise above the cold water which is denser due to the lower temperature. So the hot water rises and the cold water sinks, making a convection current.


What kind of water sinks?

Cold water sinks, hot water rises.


How does convection transfer?

Think of a pot of boiling water. The burner makes the heat, the heat rises, and the cold water replaces it, then the cold water gets hotter and rises. It's a cycle


Why does cold water in a tube sink to the bottom of room temperature water?

Cold water is dense and cold water sinks, just like air, cold air falls and hot air rises.


Does convection transfer heat?

Think of a pot of boiling water. The burner makes the heat, the heat rises, and the cold water replaces it, then the cold water gets hotter and rises. It's a cycle


How does convection transfer heat?

Think of a pot of boiling water. The burner makes the heat, the heat rises, and the cold water replaces it, then the cold water gets hotter and rises. It's a cycle


How does heat transfer through convection?

Think of a pot of boiling water. The burner makes the heat, the heat rises, and the cold water replaces it, then the cold water gets hotter and rises. It's a cycle


In geyser system why cold water enter the boiler from bottom?

First of all, there are two principles:1.hot water is less dense and rises up2.cold water is more dense and goes down.so when water becomes hot, it rises up and replaces the cold water which comes down. That is why cold water enters from the bottom.


What discovery did scientists make about the water from melted icebergs?

it is cold, and produces to oceanic rises


Does air and water make rain?

no, water evaporates and then rises, and then when it get's cold, it rains.