If you’ve ever walked past a mechanic workshop in Nigeria, chances are you’ve seen someone pour a bucket of water directly on a car engine — sometimes even when it’s hot and steaming.

It’s such a common sight, most people don’t even question it. But here’s the truth:

Pouring water directly on your car engine — especially while it’s still hot — can do more harm than good.

Let’s break down why this “cooling habit” could be killing your engine slowly.

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1. Engine Blocks and Cold Water Don’t Mix

When an engine overheats, it expands due to the intense heat. Now, imagine throwing cold water on that hot metal.

The sudden change in temperature can cause the metal to crack — especially the engine block or cylinder head, which are already under stress from heat.

Think of it like pouring cold water into hot glass — the shock might break it. Your engine isn’t that different.

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2. Steam Doesn’t Mean “Shower Me”

Many people panic when they see steam coming out from under the bonnet and assume the engine needs a quick bath.

That steam is usually from an overheating radiator or a burst hose. Pouring water on it won’t fix the root problem — in fact, it might hide it temporarily and delay a proper diagnosis.

What your car really needs is coolant, not a water baptism.

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3. Water Can Damage Electrical Components

Modern car engines are packed with electrical sensors, plugs, and fuses. Splashing water recklessly under the hood can lead to:

• Malfunctioning sensors
• Engine misfires
• Short circuits
• Trouble starting your car

Just because the engine looks like metal doesn’t mean it’s waterproof.

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4. Clean Doesn’t Always Mean Safe

Some drivers pour water simply to “clean” the engine so it looks fresh. But even washing a cold engine the wrong way can lead to trouble.

Instead, use a dry cloth or special engine degreaser. If you must wash your engine, take it to a professional who knows how to cover sensitive parts first.

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5. So, What Should You Do Instead?

If your car is overheating:

• Turn off the engine. Let it cool naturally for 30–60 minutes.
• Don’t open the radiator cap immediately. Hot coolant can spray out and burn you.
• Check your coolant level once it cools, and refill if necessary (with actual coolant, not just water).
• Visit your mechanic to find out why the engine is overheating — it could be a faulty fan, thermostat, or radiator.

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Final Word

Pouring water on your engine is one of those habits passed down from “roadside mechanic knowledge,” but it’s outdated and risky.

Your car deserves better — especially in this Naija heat.

So the next time your engine is hot and someone suggests fetching water, just say:

“Oga, let it cool. Engine no be akara.”