Look under your vehicle and inside of the engine bay for leaking coolant or bubbling around the radiator cap Leaking radiators might seem like a minor issue at first, but they can quickly escalate into a serious problem that leads to engine overheating, costly repairs, and even complete engine failure Coolant rarely needs to be refilled, so if you find your reservoir goes empty regularly, it’s a big sign there’s an issue.
How to Tell if Your Radiator is Leaking | 10 Easy Steps (2025)
Learn how to identify a radiator leak by looking for puddles of coolant, checking the engine compartment and watching the engine run
Find out the best temporary and permanent solutions to deal with a leaky radiator until you can get it repaired.
Wondering if a car radiator leak is dangerous Learn the signs, causes, risks, and repair tips every driver must know to avoid engine damage and costly repairs. If you can’t see coolant dripping or seeping, look for rust, tracks or discoloration on the radiator Those are telltale signs of where it has leaked.
If you have a radiator leak, the only permanent fix is to take your vehicle into a repair shop for car maintenance A trained technician at thompson sales will examine the radiator itself, the reservoir, hose, clamps, and any nearby engine components to check for leaking fluid, corrosion, and wear.
