How long should a cooling system stay pressurized for?
How long should a cooling system stay pressurized for? Slowly apply pressure to the system up to the range of the system or the range shown on the radiator cap. The system should hold pressure for at least two minutes. If not, check for leaks in the system. What should I do if my Camaro engine is overheating? With the engine cold, open the radiator cap and peer inside. If there is any room for more fluid in the radiator, fill it to the top with 50/50 premixed coolant of whatever type of coolant is in your vehicle (Dex-Cool or...