Why Pressure Test an Engine Cooling System?
Any time you open up and reassemble the cooling system, you should pressure test the cooling system to check for …
A typical automotive cooling system comprises (1) a series of channels cast into the engine block and cylinder head, surrounding the combustion chambers with circulating liquid to carry away heat; (2) a radiator, consisting of many small tubes equipped with a honeycomb of fins to convect heat rapidly, that receives and cools hot liquid from the engine; (3) a water pump, usually of the centrifugal type, to circulate the liquid through the system; (4) a thermostat to control temperature by varying the amount of liquid going to the radiator; and (5) a fan to draw fresh air through the radiator.
Any time you open up and reassemble the cooling system, you should pressure test the cooling system to check for …
What is a cooling system? A vehicle’s engine-cooling system serves not just to keep the engine cool, but to also …