The front crankshaft seal holds oil in at the front of the engine. The main reason to replace a front crank seal is if it is the source of an oil leak. The cost to replace the crank seal can vary depending on several factors such as the type and model of vehicle, whether you … Read more
If your engine overheats or is in the red area on the temperature gauge, your cooling fan may not be working properly. Cooling fans are fairly easy to test as all you have to do is start your engine and turn the AC on. With the AC on both cooling fans, if your vehicle has … Read more
As an engine runs and transfers power to the wheels it vibrates and twists forcefully. Every engine has an arrangement of strong mounts to hold it in place in the frame and to absorb vibration. Most of the time, the mounts are made of rubber held in a steel cage. Some use oil-filled or hydraulic … Read more
An active secondary air injection system uses an electric or belt-driven pump to move air for injection into the exhaust stream. Most of the time, the system consists of a pump and a check valve. Other times, it consists of electrical controls such as relays and sensors, and connecting hoses and pipes. Usually, there is … Read more
One of the characteristics of a cooling system is that it has to operate close to the boiling point of water. The cooling system uses a mixture of water and coolant designed to be resistant to boiling, but the system also operates under pressure to further raise the boiling point. To maintain the system under … Read more
The two main working parts of an engine are the engine block and the cylinder head. Oil and coolant passages run between the two, and the combustion chamber also lies in between. The cylinder head gasket seals the oil and coolant passages and the combustion chamber. The combustion chamber is defined by the pistons and … Read more