The engine performance of a vehicle is greatly affected by its oil cooler. This part is key in keeping the oil at the right temperature. For the Holden Cruze, it's very important to avoid overheating. Overheating can cause serious damage to the engine. Keeping the oil cooler working well is key for the engine's life and performance. If you ignore it, you might face expensive repairs. And in the worst case, it could even fail. Key Takeaways The oil cooler plays a critical role in engine performance. It keeps the oil temperature right to avoid overheating and damage. Ignoring the oil...