You can take apart and rebuild an engine just fine. In fact most auto manufacturers (still) sell individual parts. You don't scrap an entire engine because a ca

You can take apart and rebuild an engine just fine. In fact most auto manufacturers (still) sell individual parts. You don't scrap an entire engine because a camshaft, injector or VVT actuator fails. Even in case of catastrophic timing belt/chain failure, it can be repaired, though not always economically viable.