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2. Oil sludge - Wikipedia

   en.wikipedia.org/wiki/Oil_sludge

   Oil sludge. Oil sludge or black sludge is a gel -like or semi-solid deposit inside an internal combustion engine, that can create a catastrophic buildup. It is often the result of contaminated engine oil and occurs when moisture and/or high heat is introduced to engine oil.

3. Crankcase ventilation system - Wikipedia

   en.wikipedia.org/wiki/Crankcase_ventilation_system

   A crankcase ventilation system ( CVS) removes unwanted gases from the crankcase of an internal combustion engine. The system usually consists of a tube, a one-way valve and a vacuum source (such as the inlet manifold ). The unwanted gases, called "blow-by", are gases from the combustion chamber which have leaked past the piston rings.

4. Crankcase - Wikipedia

   en.wikipedia.org/wiki/Crankcase

   Crankcase. In a piston engine, the crankcase is the housing that surrounds the crankshaft. In most modern engines, the crankcase is integrated into the engine block. Two-stroke engines typically use a crankcase-compression design, resulting in the fuel/air mixture passing through the crankcase before entering the cylinder (s).

5. Aerotoxic syndrome - Wikipedia

   en.wikipedia.org/wiki/Aerotoxic_syndrome

   Aerotoxic syndrome relates to ill-health effects associated with breathing contaminated air in an airliner cabin. [1] Researchers have associated aerotoxic syndrome with exposure to substances such as engine oil and hydraulic fluid. [2] [3] Although researchers have identified correlations between the aircraft occupational environment and ...

6. Chrysler LH engine - Wikipedia

   en.wikipedia.org/wiki/Chrysler_LH_engine

   Oil sludge and other known problems. Buildup of oil sludge is a common issue that plagues this engine. Higher than average operating temperature, an insufficient oil capacity and the timing chain driven water pump leaking into the crankcase are all factors in why this occurs . The 2.7 L V6 engines have suffered from oil sludge contamination.

7. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   Motor oil is a lubricant used in internal combustion engines, which power cars, motorcycles, lawnmowers, engine-generators, and many other machines. In engines, there are parts which move against each other, and the friction between the parts wastes otherwise useful power by converting kinetic energy into heat.