Car Maintenance by Time or Mileage?

2 Answers
SanLucas
09/02/25 4:17am
Car maintenance, also known as vehicle servicing, can be scheduled based on either mileage or time, whichever comes first. Common car maintenance items include: replacing engine oil and oil filter, cleaning the air filter, checking the generator belt and wiper blades for damage; inspecting fluid levels; monitoring tire pressure and checking for uneven wear, bulges, or damage; examining the vehicle's chassis, including brake pads, brake discs, connecting rods, ball joints, and CV joints for any scratches; and ensuring all switches and lights are functioning properly. Typically, car maintenance is recommended every three months. However, if the vehicle is driven infrequently, maintenance can be extended to every six months. High-quality parts and advanced assembly techniques can reduce wear between components, allowing for a slightly extended maintenance interval. Manufacturers usually base their recommended maintenance intervals on the shelf life of various fluids, as they can oxidize and degrade when exposed to air. Therefore, even if the vehicle hasn't reached six months or 5,000 kilometers, manufacturers may still recommend replacing these fluids.
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BeckettLynn
09/14/25 6:32am
I've been commuting by car every day, covering about 30 to 40 kilometers. Over time, I've realized that maintenance shouldn't be too rigid. The manual clearly states that maintenance should be done every 5,000 kilometers or every six months, whichever comes first. This is because fluids like engine oil can oxidize and deteriorate over time even if the car isn't driven, affecting lubrication. If you drive frequently, reaching the mileage limit indicates more wear and tear on parts, so they should be replaced. Environmental factors also play a role—dusty roads or frequent short trips can lead to incomplete engine heating and carbon buildup, necessitating more frequent maintenance. One piece of advice I have is not to delay maintenance too long. Listen to professional technicians, regularly check fluids and tire pressure to avoid minor issues turning into major repairs and unnecessary expenses. Ultimately, safety and prolonging the car's lifespan are what matter most.
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