If you notice your coolant reservoir empty, you'd expect a puddle under your car Discover the hidden reasons behind low coolant levels in your car But what does it mean if you're losing coolant yet don't see a leak?
Why Is My Coolant Low But No Leaks? 4 Possible Causes and Fixes
So, if the coolant level keeps dropping, it is a serious issue—even if there’s no visible sign of leakage
Evaporation from reservoir cap or overflow hose
Even in sealed systems, coolant can evaporate over time, especially if the radiator cap is loose or damaged. Have you noticed your coolant level dropping, but not wet spot in your driveway You may still have a leak in your cooling system. Is your coolant low but you can't find any leaks