Signs That Your Oil Needs to Be Changed (Don't Wait for It to Break Down!)

Many people often delay oil changes because they think the engine is still running normally. However, oil that has deteriorated in quality can drastically reduce engine performance and even cause components to wear out quickly! Let's recognize the signs that it's time to change your oil before it's too late.

1. Oil Color Changes to Dark Black
New oil is usually golden yellow or clear. If the color changes to dark black, it's a sign that the oil has become mixed with dirt and combustion residue from the engine.

Tip: Check the oil condition regularly, especially if the vehicle is frequently driven long distances or in dusty areas.

2. Oil Texture Feels Thick or Sticky
Oil that has deteriorated in quality will feel thicker and stickier to the touch. This indicates that the oil has lost its lubricating ability, which can increase friction between engine components. If left untreated, the engine can overheat and wear out quickly.

3. Engine Noise Becomes Rough
If the engine sounds noisier than usual, it could be because lubrication is no longer optimal. Dirty or degraded oil cannot properly dampen friction between components.

Solution: Change the oil immediately before the rough noise turns into a sign of serious damage.

4. Thicker-than-Usual Exhaust Smoke
The smoke coming from the exhaust should be thin or even invisible. If the smoke is thick and bluish, it could be a sign that oil has started burning in the engine compartment — a sign that the oil is too thin or its quality has deteriorated.

5. Mileage Has Exceeded the Oil Change Limit
Each engine type has a recommended oil change interval — usually every 5,000–10,000 km for private vehicles, or every 500 operating hours for industrial engines. Don't wait for engine performance to decline before changing it!

6. Engine Overheats
If the engine overheats more quickly than usual, it could be that the oil has lost its ability to conduct heat. This is dangerous because it can cause overheating and damage vital engine components.

Conclusion
Regular oil changes are a small investment that can prevent major damage. Don't wait for engine problems to change the oil — pay attention to the signs and perform regular maintenance!

Use high-quality oil from PT Intisumber Bajasakti, the official distributor of United Oil and Repsol — suitable for industrial needs and heavy construction projects.
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