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Summer has arrived, and rising temperatures don’t just affect us—they also put extra stress on your car. Extreme heat impacts several critical components, including the engine, battery, and tyres. If proper care is not taken, summer-related issues like overheating, tyre bursts, or battery failure can occur, leading to unexpected breakdowns and expensive repairs.

To avoid trouble and keep your car running smoothly, it’s important to pay special attention to a few vulnerable parts during the summer season.

1. Cooling System: Never Ignore the Coolant

Overheating is one of the most common summer car problems. That’s why the cooling system needs regular checks.

• Check coolant levels frequently

• Inspect the radiator and water pump for leaks

• If the coolant is old or contaminated, get it replaced

As a general rule, coolant should be changed every 20,000 km or as recommended by the manufacturer. Low or ineffective coolant can cause engine overheating, sudden stalling, and long-term engine damage.

2. Tyres: High Heat Increases Burst Risk

Hot weather causes air inside tyres to expand, increasing tyre pressure and the risk of a burst—especially during long drives.

• Check tyre pressure regularly, including the spare tyre

• Avoid over-inflation

• If possible, use nitrogen air, which handles heat better and maintains stable pressure

Ignoring tyre care in summer can lead to accidents, uneven tyre wear, and costly replacements.

3. Battery: Heat Drains Battery Life Faster

While batteries often fail in winter, summer heat silently shortens battery life.

• High temperatures evaporate battery fluids

• Battery terminals may corrode faster

• Old batteries are more likely to fail suddenly

Have the battery checked if it’s more than 2–3 years old, and ensure terminals are clean and secure.

4. Engine Oil: Heat Reduces Effectiveness

In extreme heat, engine oil can thin out faster, reducing lubrication.

• Check oil levels regularly

• Replace old or low-quality oil

• Use the grade recommended for summer conditions

Fresh oil helps protect the engine from excessive friction and heat damage.

5. AC System: Works Hardest in Summer

Your car’s air conditioning system runs almost continuously in summer, increasing wear.

• Get the AC gas level checked

• Clean or replace cabin air filters

• Listen for unusual noises from the compressor

A poorly maintained AC system increases fuel consumption and reduces cooling efficiency.