Why is my car overheating? ✅ Low Coolant Levels - If levels are low due to leaks or evaporation, your engine can't cool properly. ✅ Broken Thermostat - If stuck closed, it blocks coolant from circulating. ✅ Radiator Issues - A clogged or damaged radiator can’t release heat efficiently. ✅ Faulty Water Pump - If it fails, the circulation stops and your engine can overheat. ✅ Cooling Fan Failure - If it stops working, especially in traffic, your engine loses a major cooling aid. Visit https://asuperiorshop.com/ for Car Repair in Campbell.