Question

Why should we not open the radiator cap when the vehicles are overheated

Answer 1

Explanation:

Don't open the radiator cap until it is cool

Note that an overheated engine may have a coolant that is as hot as 260 Fahrenheit. Inside the system is sealed. Unfortunately, once it is exposed to air, it will boil and can cause severe burns to you.

Answer 2

Answer:

Don't open the radiator cap until it is cool

Note that an overheated engine may have a coolant that is as hot as 260 Fahrenheit. Inside the system is sealed. Unfortunately, once it is exposed to air, it will boil and can cause severe burns to you.