The number one cause of failure foi eveiy living and non-living thing on the face of the earth is contamination. Whether it's dust on a plant leaf, plaque in your" arteries or sludge in your engine oil, the overall effect is the same: Contamination in terferes with a machine's (or living thing's) normal functions. Uncorrected, over time, the result is always fatal. In terms of a diesel engine, the death rattle goes something like the following: You get blow-by of unburned diesel fuel past rings and va lve guides, particles in the intake air, and products from the combustion process. These accumulate with metal particles in the engine oil, eventually reaching a point where the cylinders are scuffed. Then you get more blow-by and more contamination, fro m dust, fuel, carbon, water and sulfur (combining it with water forms sulfuric acid), each of which has its own particularly detrimental effect on the lubricant and the engine.
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