Car Radiator Problems: How to Spot Them and What to Do
Is your car running hotter than it should?
Why Your Radiator Matters
Your radiator plays a key role in your car’s cooling system. It keeps the engine at a safe temperature by removing excess heat.
Coolant flows through the engine, absorbs heat, and passes through the radiator to cool down before circulating again. If the radiator isn’t working properly, your engine could overheat, leading to serious damage and costly repairs.
That’s why it’s so important to pay attention to potential warning signs.
Signs Your Radiator Needs Attention
One of the most obvious signs of a radiator problem is overheating. If your temperature gauge rises too high or steam comes from under the bonnet, it’s a clear sign of trouble. Coolant leaks are another common issue. If you see bright green, pink, or yellow liquid under your car, your radiator or its hoses might be leaking.
Dirty or sludgy coolant is another red flag. This can point to corrosion or a blockage inside the radiator. You might also notice a sweet or chemical smell, which often indicates a coolant leak.
Finally, if your car’s heater isn’t working well, it could mean the coolant isn’t circulating properly—a possible sign of radiator trouble.
What Causes Radiator Problems?
Radiator issues can develop for several reasons. Lack of regular maintenance is a pretty common cause.
Over time, debris and rust can build up, leading to clogs or corrosion. Old or low-quality coolant can also damage the radiator. Cracked hoses, loose connections, or even wear and tear from age can all contribute to problems.
Extreme weather and poor-quality parts can also make things worse.
How to Fix and Prevent Radiator Problems
If you suspect a radiator issue, don’t ignore it. Check your coolant levels regularly and top them up if needed.
However, if the problem continues, it’s best to see a professional. Mechanics can flush your radiator to clear blockages, repair leaks, or replace damaged parts. If your radiator is heavily corroded or cracked, a full replacement might be necessary.
Preventing radiator problems is simpler than you might think. Stick to your car’s recommended maintenance schedule. Regularly check coolant levels and colour, and flush and replace it as needed. Inspect hoses for cracks or wear, and watch for leaks under your car.
Catching small issues early can save you both money and stress in the long run.
Is your car overheating or leaking coolant? Don’t wait for it to get worse. At VP Auto Care, we’ve been helping Melbourne drivers keep their cars cool for over 20 years. Located in Tullamarine, our expert team can diagnose and fix radiator problems quickly and affordably.
Visit us online or call (03) 9335 2488 to book your radiator service today. Keep your car running smoothly with VP Auto Care!