B−Quik Car Knowledges

Motor oil and filter

Lubricating system

Why it's important to engine?

Lubrication serves to reduce friction

Or resistance between moving objects.

Basic Functions of Engine Oil

1. Lubricate components of the engine When the engine is running, the components of the engine namely piston ring, piston and crankshaft are moving against each other, and hence, producing resistance or friction and also corrosion. Engine oil will seep through and penetrate between the surfaces of the components, in order to reduce friction, and hence, lengthen the life of the engine. 2. Cooling system While the engine is running, heat will be produced and accumulated within the components of the engine. Since water and air cannot get through to help extracting the heat, the engine oil needs to infiltrate to absorb heat produced by each and every component. As such, it helps to control and maintain a suitable temperature of the engine, in order for it to function properly and efficiently. 3. Cleansing system While the engine is running, dirt and carbon residues are produced and remain on the many components, as a result of combustion. Engine oil plays the part of the detergent, by cleaning all residues from the surfaces of the components, in preventing any harm and damage that may occur as a result. 4. Protection from corrosion caused by rust and acid Acid and water are the products of fuel combustion. Humidity in the air is the main causation of rust, leading to corrosion and inefficiency of the engine components, especially when under-standard or illicit fuel is used, and when the vehicle has been left unused for a long time. Engine oil acts as a protective shield, coating and protecting the surfaces of the engine components. 5. Prevent the loss of compression pressure Normally, the components’ surfaces are not smooth, especially around piston ring whose direct role is to prevent compression leakage. The piston ring is also in contact with the cylinder at all time, whose surface is also not smooth. The engine oil needs to penetrate and fill in the spaces, in order to prevent compression leakage from the combustion chamber – the factor that would cause lack of engine power.

Fuel filter

Fuel filter’s role is to filter dirt and other residues that come with the fuel. As such, it helps to purify the fuel before it flows into the fuel distribution system. Fuel filters can be found in different designs and models, and usually installed between fuel pump and carburetor. Some fuel filters may be found inside the carburetor, and some may come with magnet that is used to detect odd metal particles that may have sneaked in with the fuel. Fuel filters have been designed to utilize different types of material for filtration. For examples, using pleated paper or metal screen/ mesh as a filter. Some types of fuel filter have a duct that leads to vapor-return line, to transport the oil vapor that may be produced, back to the fuel tank.

Components of Engine Oil

Base Oil + Additive = Instant Engine Oil Base oil is the main ingredient of the engine oil. Base oil comes from 3 sources as follows : 1. Base oil extracted from vegetable: This type of oil is not a popular source for engine oil, as its lubrication quality deteriorates easily when in touch with heat. 2. Base oil extracted from crude or petroleum oil: There are several types of this particular base oil type, but paraffin base crude oil (Paraffinic) is the most popular one because it has the most suitable quality as an ingredient of the engine oil. It provides sufficient lubrication to protect the engine from harm and damage, while operating at either high or low temperature. 3. Synthetic base oil: This type of base oil is widely used in the production of special-occasion engine oil. Since it is synthetic based, its chemical-based production process gives it the best lubrication and protective quality for the engine, beyond the 2 types mentioned above. Additive Reasons that additive is needed in the engine oil are as follows: To adjust viscosity in the lubricant according to the different operating temperatures For the engine oil to have perfect lubrication quality throughout its life To help lengthening the life of lubricant To add special and specific quality to each type of engine oil, for suitability to each type of utilization To reduce the rate of corrosion and prolong the life of the engine For higher performance of the engine Type and functions of additive 1. Carbon Cleaning Substance: It helps to clean the inner parts of the engine by thoroughly cleaning dirt and smoke residues on all parts of the engine. 2. Dirt Distribution Substance: It works to break up dirty matters, stains and residues into tiny pieces and let them float onto the engine oil, in order to prevent the oil filter from clotting. It also prevents small pieces of dirt from silting while waiting to be disposed of. 3. Viscosity Index Improvement Substance: It helps to maintain the level of viscosity of the engine oil, even though the operating temperature of the engine changes. 4. Corrosion Prevention Substance: The substance helps to reduce the rate of corrosion of the engine parts, and prevent the parts from melting and sticking to each other when they lack lubrication for just a moment. 5. Reaction-with-Oxygen Prevention Substance: This substance helps to prevent the oil to transform into sticky, rubber-like matter or become muddy when the engine is heated up considerably or running at a very high temperature for a long time. 6. Air Bubble Prevention Substance: It helps to prevent the creation of air bubbles in the engine oil during operation. 7. Rust Prevention Substance: It helps to prevent rust that may develop on the surfaces of metal parts, while the engine is not running or being kept in storage for future use. 8. Acid-corroded Prevention Substance: This substance helps to prevent corrosion caused by sulfuric acid as a result of sulfuric combustion in the fuel. 9. Pressure or Collision Resistance Substance: The substance helps to increase robustness to the oil film by giving it the ability to undertake more weight. While metal parts are moving and colliding heavily, oil film will not break apart so easily, for example, in the case of gearbox and differentials. 10. Pour Point Reduction Substance: It helps to lower the temperature of the oil at pour point, or helps to make the oil useable in countries with extremely low temperatures. In other words, it does not allow the oil to solidify, no matter how low or negative the temperature scale is. 11. Friction Reduction Substance: The substance helps to reduce friction between parts that rub against each other, by changing the resistance coefficient of the component surfaces that come in contact with the oil. 12. Part Adhesive Enhancement Substance: This substance helps to increase the adhesive quality of oil film to metal parts, so the oil film does not come off easily when the parts rub against each other. For example, lubrication of the gearbox or differentials that needs to bring in the oil through its adhesiveness to the cog.

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