![]() ![]() Years ago, when your cooling system was low, you popped the Radiator Cap off. (even with the coolant leak fixed)Īntifreeze (Glycol) Types and Colors Antifreeze (Glycol) Types and Colors As a result, leading to Antifreeze In Oil. Once again, the filter becomes clogged.The new oil (with detergents and dispersants) mobilizes the soot and the sludge, carrying it to the filter.Typically around 15 percent of the old oil remains, either in the oil pan or on engine surfaces.By now, the filter is plugged with the glycol transformation by-products.Concurrently, the acids and water, disrupt soot dispersancy, causing a dumping condition.Hence, these insolubles, begin to plug the Oil Filter.Acids and precipitants form, as the additives in the Engine Coolant and Engine Oil react.Firstly, coolant leaks, into the crankcase oil.Following, is the summary of this chain reaction: Then, within minutes after an oil and filter change, the new filter can, become plugged again. This now begins to, mobilize the sludge and deposits. The chain reaction then gains new life, as the detergents and dispersants, come in with the new Engine Oil. Water pump seal failure and weep-hole blockage.Cavitation, erosion, corrosion of cylinder liners.Improperly machined, head and block surfaces.Cracked block or cylinder head, from frozen Engine Coolant.Thermally warped or cracked, cylinder heads.Antifreeze, can leak into Engine Oil and other Lubricating Oils, in a variety of ways: Other problem applications include, the Intake Manifold gaskets on, Buick 3800 V6 and Ford 4.0L V6 engines. The Intake Manifold gaskets, on these engines are plastic and often fail at 50,000 to 80,000 miles. And, is a common cause of, Antifreeze In Oil. And, also, 4.3L, 5.0L and 5.7L V8s, are famous for leaky Intake Manifold gaskets. Some engines, such as General Motors 3.1L and 3.4L V6 engines. Furthermore, this could allow coolant to enter the intake port, or the crankcase. In addition, the gasket that seals, the Intake Manifold to the cylinder heads may leak. Intake Manifold Gasket Leak Intake Manifold Gasket Leak This damaged area, may then start to leak combustion pressure and coolant. When the engine overheats, thermal expansion can crush and damage, portions of the head gasket. Because, of a coolant leak, a bad Thermostat, or an Electric Cooling Fan not working. Head gasket failures are often the result of, engine overheating. And, create a lot of white smoke out the exhaust. A head gasket leaking coolant into a cylinder, can foul the spark plug. And, can damage the Engine Bearings in your engine. Consequently, coolant leaking into the crankcase, dilutes the Engine Oil. So, a bad head gasket, may leak coolant into a cylinder or into the crankcase. Internal coolant leaks are most often, due to a bad head gasket. Internal Coolant Leaks ( hidden inside the engine) Head Gasket Leak Head Gasket Leak So, even a small coolant leak over time, is enough to severely corrode engine steel and copper surfaces. The corrosive conditions, can pit the clad surfaces of the lead/tin overlay of the Engine Bearings. Organic acids will form and can jeopardize, Engine Bearings and other frictional surfaces. Another reason why, Antifreeze In Oil damages the engine, is that it creates an acidic environment, within the Oil. Antifreeze In Oil, causes a thickening of the lubricant, thereby increasing the oil viscosity and reducing the flow. Antifreeze In OilĪlso, Antifreeze has almost no lubricating properties, when mixed with Engine Oil. As a result, making it harder to flow through the oil galleries and lubricate the engine. And, then it is referred to as, Engine Coolant.Ĭonsequently, when Antifreeze mixes with Engine Oil, it make the oil thicker. Antifreeze is a concentrated, glycol based liquid, that must be, diluted with water before use. So, Antifreeze and Engine Coolant are similar, but not the same. ![]()
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