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Why did engine loose horsepower start making a loud noise and oil ran out?
Wiki User
∙ 15y ago
Based on nothing other than your brief description of your engine failure, I will explain 1 possible scenario. You may have had a head gasket failure. When coolant mixes with oil it effectively reduces it's lubricity and high friction areas such as the connecting rod bearings may be compromised. Once even a drop of coolant gets pumped between the connecting rod bearing, and the crankshaft journal the bearing may bind up which is known as a spun bearing. When the bearing is out of place it is no longer working in sync with the rod, or the rest of the engine for that matter throwing the entire rotating assembly out of balance. The vibrations would have been immediately felt, and possibly heard in the form of rod knock, as the connecting rod was misaligned causing it to hammer into the cylinder wall. With in a short period of time, could be seconds, the connecting rod is going to break, sending bits of it, and other sheared engine internals in every direction. Since the engine is spinning at a certain RPM when this occurs, any one of those broken pieces could crack, or even smash through the engine block at a high velocity, causing your oil to spill out onto the pavement.
Wiki User
∙ 15y ago
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