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If a car overheats and cuts off is the motor completely damaged?

It is not necessarily true that the motor is completely damaged if a car overheats and cuts off. Overheating can cause various levels of damage to different engine components, and the extent of damage depends on several factors, including the severity and duration of overheating. Here's what can happen when a car overheats:

1. Head Gasket Failure: Overheating can cause the head gasket to fail, which seals the cylinder head to the engine block. A blown head gasket can lead to coolant leaks, compression loss, and overheating.

2. Warped Cylinder Head: Extreme overheating can cause the cylinder head to warp or crack. This can disrupt the proper functioning of the engine and may require resurfacing or replacement of the cylinder head.

3. Piston Damage: Overheating can cause the pistons to seize or melt due to excessive heat. This can result in severe damage to the engine's internals and may require a complete engine rebuild.

4. Cracked Engine Block: In extreme cases, prolonged overheating can cause the engine block to crack. This is considered catastrophic damage and usually necessitates replacing the entire engine.

5. Other Components: Overheating can also affect other components such as the radiator, hoses, gaskets, and seals, leading to potential leaks and further engine issues.

It's important to note that the extent of damage due to overheating varies based on the specific vehicle, its design, and the severity of the overheating incident. If a car overheats, it's crucial to address the issue promptly to minimize the risk of serious damage. Consult with a qualified mechanic or automotive technician to diagnose the problem and assess the extent of the damage.

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