![]() ![]() Road Test – To assess handling conditions determine if there are problems in steering and damage to the tyres.Lastly, the correct grade of diesel oil should be used for your vehicle.Ī full diesel engine service covers the same set of procedures as a petrol engine which includes the following: The filter casings are cleaned by a good diesel mechanic before installing the new filters. Replace the Oil and Air Filters – To keep your engine running like a well-oiled machine, the oil and air filters will need replacing regularly. A diesel mechanic will adjust the idle speed screw on top of the fuel injector pump. Reset the Idling Speed – If the engine is running too fast or too slow, its idling speed will need to be reset. Even if the engine has a self-bleeding mechanism, it should be bled manually to ensure thorough removal of air. Bleeding is a procedure which effectively removes air from the fuel system. This should be drained to keep the engine from misfiring.īleeding the Fuel System – When a new fuel filter is fitted, air can get inside the fuel system and compromise engine performance. The filter is disposable and should be replaced to make sure the fuel that passes through the system remains clean.ĭraining of Water Trap – The fuel filter that may trap water from the fuel. Replacement of Fuel Filter – The fuel supply line of a diesel engine should have at least one filter fitted into it. However, if your vehicle is regularly pushed to capacity, it’s best to change the oil more frequently. Change Your Oil As Needed – Generally, diesel engine oil needs to be changed every 8,000 kilometres. A new and/or clean air filter will help maintain the performance of your diesel engine.ĥ. Replace Air Filters – The frequency of replacing your vehicle’s air filters will depend on the environment and climate of the areas you’re driving in. ![]() Change Your Fuel Filters – Diesel engines have 2 fuel filters and it’s recommended that both fuel filters be replaced every 16,000 to 24,000 kilometres.Ĥ. Clean Your Engine Frequently – If dirt, dust, and grime to accumulate, it can damage a diesel engine, its component parts, and consequently affect the car’s performance.ģ. If the coolant is not replaced, it can become acidic and can erode the radiator and other components of the vehicle’s cooling system.Ģ. Check Your Coolant – A coolant is a substance that mixes with water and protects the radiator from overheating or freezing. The power is then transmitted to the Crankshaft.ĥ Point Diesel Engine Maintenance Checklist:ġ. Piston – This diesel engine component compresses the air/fuel mixture then converts fuel energy into mechanical energy. Valve Guides – A cylindrical-shaped piece of metal that conducts heat from the combustion process by processing it out of the exhaust valve and into the cylinder head.Ħ. It does this by regulating the flow of air/fuel mixture inside the cylinder and by exhausting gas outside the cylinder.ĥ. Valves – These are located on the cylinder head and are responsible for the diesel engine’s smooth functioning. Cylinder Liners – A type of bore where an engine piston moves back and forth and is made of material strong enough to handle high heat and tremendous pressure.Ĥ. The design and construction of the bedplate must be stable and durable enough to provide support to the engine and the crankshaft.ģ. Bedplate – This is a metal plate that forms the foundation on which the diesel engine is built. ![]() Engine Block – The Engine Block is made of plates and castings which are welded both vertically and horizontally to increase strength and lend more support to the engine cylinder liners, crankshafts, and heads.Ģ. Here are the 6 main components of a diesel engine:ġ. ![]() The System – Creates the conditions for the proper functioning of the diesel engine – supplies air, removes exhaust, turbocharging, supplies and injects fuel, and lubrication and cooling. The Running Parts – Functions to convert the power of combustion produced in the cylinders into keeping the engine running.ģ. The Structural Parts – The Structural Parts provides a protective casing for the Running Parts and functions to keep the components in place.Ģ. So what gives the Diesel Engine its power?Ī diesel engine is composed of 3 sections that allow it to function properly: the Structural Parts, the Running Parts, and the System.ġ. Diesel engines are also known for their ruggedness and durability.įor example, the diesel engines of Mercedes Benz hold the world record for logging 1.4 million kilometres without replacing the original engine.īecause it gives greater torque needed for hauling and pulling heavy objects, the most popular heavy-duty trucks use diesel engines.Ĭar manufacturers have also started to roll out Light-Duty trucks that are fitted with a diesel engine. ![]()
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