With the exception of a few air cooled engines, vehicle engines are predominantly cooled by coolants. The cooling system has the task of keeping the engine at a constant temperature. This is especially important on computer controlled vehicles. Engine temperature must be kept at a precise level or the computer will not properly mix the air and fuel – leading to inefficiencies and malfunctions. If your engine has begun overheating or is leaking a bit of coolant, these are signs of radiator failure. Call Leonard’s Garage at (512) 326-3474 for car radiator repair in Austin, TX!
The cooling system uses a specially designed coolant to lubricate and condition the system. The coolant also has a higher boiling point than water. Because of this, it is not a good idea to put only coolant in a cooling system. Instead. a combination of water and coolant is the best mixture for your vehicle’s engine.
The engine cooling system is very complex and has a very important job. Vehicles operate above 212 degrees, making it necessary to keep the system under pressure so it won’t boil. A leak in the system may not be large enough to let coolant escape, but pressure can be lost and cause overheating. Often a faulty radiator cap will allow pressure to escape. Overheating an engine is one of the worst things that can happen to your engine. Other than a loss of oil pressure, overheating causes more serious damage than other system failures. If your vehicle begins to overheat, it is important to have a mechanic take a look under the hood as soon as possible to prevent irrevocable damage. Scheduling an appoint immediately is advisable.
The coolant circulates throughout the engine by way of hollow jackets surrounding the moving parts. The coolant cools the areas which could otherwise reach temperatures in excess of 1,000 degrees. The hot coolant is pumped through the engine by the coolant pump. The coolant pump takes hot coolant from the engine into the radiator. The coolant is kept in the radiator long enough to cool before its returned to the engine. The radiator dissipates the heat into the air. This is accomplished two ways; either the air is forced through the coils of the radiator by the forward momentum of the vehicle or by a fan.
The fan may be a mechanical fan operated by a belt, or an electric fan. Electric fans use a sensor to detect the coolant temperature and adjusts the fan speed and duration accordingly. An electric fan is much more energy efficient because it does not use engine power to turn the fan using a belt.
The thermostat’s job is twofold. The thermostat controls the flow of coolant from the engine to the radiator. It is just as important to keep the coolant in the radiator long enough to cool the coolant, as it is to leave it in the engine long enough to heat it. Many people think the answer to an overheating problem is to remove the thermostat, thinking the coolant will cool down faster. Actually the opposite is true. The coolant is circulated so fast, it never has a chance to dissipate the heat, causing the coolant to build more and more heat. The thermostat must be set correctly in the engine to allow the system to operate properly.
The engine has scores of gaskets and seals which seal the parts of the engine. These gaskets and seals are subject to corrosion. It is vitally important that the coolant be flushed regularly to prevent harmful corrosion.
When it comes time to make an engine cooling system repair, call Leonard’s Garage (512) 326-3474 and schedule your car radiator repair in Austin, TX! We use specialized equipment to give you the best quality fluid exchange and are trained in all makes and models. Let our team give you the best quality and client service in town!