Do piston rings need to be replaced every time they break/wear out in an engine? - Quora

Answer (1 of 3): From an engineering perspective, yes. But the cost associated with taking the engine apart to replace the rings will be more than the value of the car. And to get that deep into the engine, you're going to have to replace other parts as well….head bolts, gaskets or various types

What are the benefits of circular cylinders over oval cylinders in car engines? - Quora

How long can a car engine run without stopping? - Quora

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How did water get inside my car's engine? The hood had not (apparently) been opened. - Quora

If you replace your piston bearings and the noise doesn't go away, what could be the problem? - Quora

Is worn piston rings something a mechanic should have caught on a vehicle inspection? - Quora

Are the IC engine Piston rings rotating? - Quora

Without knowing the history of maintenance of the used car, how can you tell if it's time to replace the timing belt? - Quora

How To Tell If Your Pistons Are Still Good