Does coolant need to be pressurized?
Does coolant need to be pressurized? The bottom line is that your vehicle's cooling system needs to be pressurized. Otherwise, the coolant will steam and evoporate, which could lead to more serious automotive problems like overheating, a blown head gasket, a cracked engine or warped cylinder head. How do you pressurize a coolant system to check for leaks? Shop air or simply the pressure generated by the coolant system can be used to measure the pressure and check for leaks. To test the system using a hand pump tester, make sure the radiator is full. Use the correct adaptor and...