|Engine cleaning is required
Not only engine oil should be changed regularly, three filters, for some time without cleaning and maintenance of the engine, road conditions bad car, simply replace the oil inside the engine is no longer able to keep clean, then they would have the engine cleaned.
For normal vehicles, the driving to 40,000 -50,000 km when the engine is necessary for cleaning and maintenance. Vehicle maintenance are guaranteed home net oil and water purification if gasoline or oil is not pure, it will accelerate the wear and tear of parts, causing oil spills, oil pressure drops, oil clogging and other failures. If the cooling water is not pure, cooling will increase the scale, hinder engine cooling, accelerate wear parts.
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