
In addition to the regular oil and three-filter changes, the essential maintenance items for a car at 40,000 kilometers should include cleaning the throttle body, replacing the spark plugs, and changing the brake fluid. Furthermore, it's also time to replace the tires and battery. Even if the tire wear is not severe, after 40,000 kilometers, the tires have been in use for a considerable time and have started to age. As for the battery, it's necessary to check if it is undercharged. If you frequently experience difficulty starting the car in daily use, it's advisable to consider replacing it. Car maintenance, also known as car servicing, refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the car.

I just went through my car's 40,000-kilometer maintenance, and it felt like giving the car a regular health check-up. The must-do items include changing the engine oil and oil filter because accumulated oil can cause engine wear. At the same time, the air filter needs to be replaced to ensure the engine breathes smoothly. The brake pad thickness should also be checked to avoid failure during emergencies. The tires require rotation and four-wheel alignment; otherwise, uneven wear can affect traction and fuel consumption. The spark plugs should be inspected too—if they're heavily carbon-fouled, they need replacement to prevent starting difficulties. Additionally, don’t forget to check the coolant and brake fluid levels, as these are crucial for cooling and safety. I chatted with the technician at the shop, and these are standard requirements in the manual. Completing them all can extend the car's lifespan and prevent accidents on the road. I recommend owners book appointments in advance to avoid delays that could lead to more expensive repairs. If you drive frequently, keep up with the maintenance schedule.

My car just passed 40,000 kilometers recently, so I immediately went for maintenance to avoid potential issues. The must-do items included changing the engine oil and filter to remove the old oil, and replacing the air filter to prevent dust from clogging the engine. The brake system had to be checked to ensure the brake pads and discs were thick enough—if they're too thin, it's dangerous. The tires needed rotation and balancing to prevent uneven wear and unstable handling. A friend at the repair shop mentioned that inspecting or replacing the spark plugs is crucial for smoother starts, and topping up the coolant is necessary to avoid overheating and engine damage. Doing all these can save money in the long run, as neglecting minor issues could lead to costly major repairs. Since I commute by car, I noticed smoother acceleration and slightly better fuel efficiency after the maintenance. New car owners shouldn’t skimp on these few hundred bucks—safety comes first.

I rely on driving to commute, so the 40,000-kilometer maintenance is crucial. Key tasks include changing the engine oil and oil filter to remove dirty oil; replacing the air filter to prevent dust buildup; inspecting brake pads to ensure effective braking; tire maintenance like rotation and alignment to improve wear resistance. Check the spark plugs for carbon deposits and replace them if necessary; inspect the cooling system for leaks and fluid levels. From the manual and my experience driving several cars, I've learned that skipping these items can lead to breakdowns or increased fuel consumption. Regular maintenance extends the car's lifespan and ensures safety.


