The reason why a car throws a rod

Typically, metal fatigue, inadequate lubrication, or excessive engine revving cause a thrown rod. The piston head is driven downward by the combustion of fuel in a cylinder, forcing the connecting rod and rotating the crankshaft.

The connecting rod between the head and crankshaft may fracture if the metal is compromised. Over-revving may provide more force than the connecting rod can bear and cause friction.

A catastrophic engine failure is typically caused by a rod throwing. The broken end of the rod may be forced into important engine parts since it frequently happens when the piston is on the downstroke.

It can push the piston head into the top of the cylinder with considerable power if it happens as the piston is travelling upward, fusing the two parts together. The engine must typically be replaced in either scenario.

One method to help prevent this kind of harm is to keep an engine properly greased. Low oil pressure may leave the piston with insufficient oil to grease the piston head’s bearings. A shortage of oil can be the last catalyst that leads to an engine experiencing a thrown rod when combined with the metal fatigue inherent in a high-mileage engine.


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