If your engine is heating up faster than a summer road trip, the radiator could be the problem. A failing radiator doesn’t just make you nervous – it can damage the engine if you ignore it. Below you’ll find the most common signs, why they happen, and practical steps you can take right now.
1. Overheating gauge jumps. When the temperature needle climbs into the red zone, the cooling system isn’t doing its job. It could be a leak, a clogged core, or a broken fan.
2. Coolant puddles. Check the ground under your car after it’s been parked. Fresh green or orange liquid means coolant is escaping. Even a small drip can lead to a big problem.
3. Sweet smell. Coolant has a distinct, sugary odor. If you notice it inside the cabin or near the engine, something is leaking.
4. Low coolant level. Open the radiator cap (only when the engine is cool) and look at the fluid. If it’s low and you can’t top it up without it disappearing quickly, the radiator likely has a hole.
5. Steam from the hood. White steam is a clear warning that the coolant is boiling over. Pull over safely and let the engine cool before checking anything.
First, decide whether you can tackle the issue yourself. Simple tasks like refilling coolant, tightening hose clamps, or flushing the system are doable with basic tools. Here’s a quick DIY checklist:
If you find a pinhole leak, a radiator sealant can be a temporary fix, but it’s not a long‑term solution. For a cracked tank or a badly clogged core, you’ll need a replacement.
When you do need a new radiator, choose a part that matches your car’s make and model. At Italian Auto Parts Hub we stock genuine radiators for popular Italian brands, so you get the right fit and quality. Our team can also advise on the best coolant type for your vehicle.
Professional mechanics are worth calling when the job involves removing the engine fan, draining the system, or welding a repaired tank. They have the equipment to pressure‑test the cooling system and guarantee no hidden leaks remain.
Regular maintenance can keep radiator failure at bay. Every 12,000 miles, check the coolant level, look for any discoloration, and top up with the correct mix (usually 50/50 coolant and distilled water). Keep the radiator grille clean so airflow isn’t blocked by leaves or debris.
Finally, don’t wait for a full breakdown. A small leak today can become a costly engine repair tomorrow. Keep an eye on the signs, act fast, and you’ll avoid the heat‑stroke scenario for your car.
Got a radiator that needs replacing? Browse our catalog at Italian Auto Parts Hub – we’ve got the right part, fast shipping, and a team ready to answer any question.