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The best way is to wait till it cools. But if you REALLY have to remove it while it's boiling, you should cover it with a heavy towel and open it slowly while putting some pressure on it so that it doesnt jump off. also keep in mind to cover your eyes nose and mouth. the fumes which will get out are really hot and poisonous.
What else can I help you with?
How do you add antifreeze to scion Tc?
Remove the radiator cap when the engine is cool and add the coolant into the radiator or you can add to the coolant overflow bottle. DON'T remove the radiator cap when the engine is hot!!!
Where is the radiator cap on a 1999 Volvo S80 Turbo?
There is a white tank up by the passenger's side fender. This is the reservoir for the radiator. Do not remove the cap while the coolant is hot. The radiator itself does not have a cap on it.
Why is dangerous to remove the radiator cap of a car when the engine is still hot?
Hot water in the radiator is under pressure and can burn you.
Why does the coolant boil in the surge tank but the temp gauge don't go to hot on a 1994 Chevy Caprice?
It could be that the radiator cap is not able to maintain pressure. Check the radiator cap for cracks or any other damage. Replace if necessary. DO NOT remove the radiator cap when the engine is hot.
Where is the radiator cap 2000 Malibu?
no cap, it is filled through over flow tank on right hand side of car. it has a cap, do not remove if hot.
How do you remove radiator cap on 2002 grand am?
Push down and turn - use caution if engine is hot
When removing radiator cap what are the precautions?
Remove the radiator cap ONLY when the engine is cold.
Can't find the radiator cap on a Honda motorcycle vt1100?
Bit of a fiddle to get to but 1 remove rear pillion seat 2 remove rider seat 3 remove tank 4 remove rh cover plate at front of tank and radiator cap will be revealed (remove with care if hot!!!!)
Where is the radiator cap on a Saab 93?
The cap is on the coolant reservoir (driver's side behind the battery), not on the radiator itself as in many other vehicle makes. Mine is yellow. DO NOT remove cap if engine/coolant is hot as system is pressurized.
Never open the radiator cap when the engine is hot?
A radiator cap can not only be hot, but it is holding in pressure. When the cap comes off under pressure, hot antifreeze will spray out, possibly causing injury.
When is it safe to add anti freeze?
Anytime as long as you are adding it to the reservoir. Never remove the radiator cap when the engine is hot.
Where do you put stop leak in radiator if there is no radiator cap?
On most cars if they don't have a radiator cap, then you can put it in the cooling system by pouring it in through the upper radiator hose. Even if you are suppose to do this while engine is hot DO NOT because it will have the same affect as pulling the radiator cap while hot.
