Diesel engines are renowned for their power, durability, and efficiency, particularly in vehicles designed for heavy-duty work like trucks and SUVs. However, even with their robust nature, diesel engines are not immune to the issue of overheating. If you’re asking, “Why is my diesel engine overheating?” you’re not alone. Overheating can lead to serious mechanical damage if not addressed, and it’s crucial to understand what might be causing the problem and how to prevent it.