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To minimize oil sludge accumulation start by following your vehicle manufacturer’s recommended oil change intervals. Over time, heat and contaminants cause oil to thicken and form sticky residue, so consistent replacement halts the accumulation of gunk. Choose advanced full-synthetic engine oil, as it is significantly better at withstanding extreme temperatures and provides superior defense against sludge than mineral-based oils.

Minimize frequent short-distance driving, especially in cold weather, because the engine fails to warm up fully, which allows condensation and dirt to remain trapped. If your daily trips are consistently under 10 miles, consider shortening your oil change intervals slightly.

Maintain proper crankcase ventilation by inspecting and replacing the PCV valve as needed. A blocked PCV valve leads to increased crankcase pressure and seal failure, which exacerbate sludge formation. Ensure your radiator and coolant circulation are functioning optimally, since overheating accelerates oil degradation. Inspect for antifreeze contamination in the engine oil, which produces a creamy, emulsified residue.

Avoid overfilling the oil, as too much oil leads to aeration and اتوسرویس داوود accelerated degradation. For high-mileage engines or aging vehicles, consider adding a sludge-fighting engine treatment, but only after seeking professional advice.

Proper care combined with appropriate lubricants are the most effective strategy for a healthy engine.