What could possibly make an engine fail?

Engine deterioration can result in engine failure. When an engine is operating it is exposed to harsh conditions, which could be due to wear, oxidation from high temperatures, corrosion, sludge, or other contaminants.

Wear:

Wear is when metal surfaces which are in contact deteriorate when they rub against each other. Wear is also known as the damage or change that is caused by something being used. It causes damage to metal surfaces when in contact and can in extreme cases even lead to engine failure or breakdown.

Oxidation:

When the oxygen in the air mixes with engine oil inside an engine it will chemically react. It is the main cause of the aging of the oil when your vehicle is in use. Oxidation is exponentially more severe at higher temperatures. The engine temperature is hot when used due to combustion. Water, contaminants, and wear metal debris can also affect oxidation. Oxidation will eventually lead to an increase in the oil's thickness, and solids of varnish and sludge on metal surfaces as by products.

Contaminants: Dust/Dirt

Dust can enter your engine on parts that are not properly sealed. Check the air intake and ensure air filters are replaced during vehicle services. Dust particles will be abrasive on engine surfaces.

Contaminants: Water

Water will accelerate extreme deterioration of the engine. If you suspect water contamination it is highly advised to take your vehicle to a reputable service technician to drain and check the vehicle.

Corrosion:

Corrosion is the chemical attack of metal surfaces by components like harsh by-products of oxidation or the environment (e.g. humidity). This produces a deterioration of integrity of the material and its properties.

Sludge:

Oil sludge is a black semi-solid or gel that forms in engine oil and  is the result of oxidation and contamination in the oil. It becomes a thick gel-like substance that sticks to engine parts, which can block oil flow through the engine compartments. It is important for oil to be allowed to flow freely in the engine for lubrication  to ensure the various engine parts are protected.

Sludge build-up could also be the result of driving in a heavy traffic. Long trips of stop-and-go driving can contribute, and even everyday driving for short distances can cause sludge. Sticking to the advised drain interval will help reduce the occurrence of sludge.

Are you experiencing engine deterioration, what should you do?

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