What maintenance is required for a car after driving 20,000 kilometers?

[McAugust]

For a car that has driven 20,000 kilometers, the following maintenance items are required: 1. Replace the engine oil and oil filter. Due to the harsh high-temperature and high-pressure environment inside the engine, the shelf life of engine oil is significantly shortened, and its performance degrades substantially. Over time, it can no longer protect the engine effectively. The oil filter prevents impurities from mixing into the oil, which can cause oxidation, leading to the formation of sludge and clogging the oil passages. Therefore, both the engine oil and oil filter need to be replaced simultaneously. 2. Replace the air filter. If it was not replaced during the 10,000-kilometer maintenance, it must be replaced at the 20,000-kilometer mark. The air filter's function is to block dust and particles from being sucked into the engine during the intake process. If the filter is not cleaned for a long time, dust can enter the engine, causing abnormal wear on the cylinder walls. 3. If the car uses standard spark plugs, preparations should be made to replace them at the 20,000-kilometer mark. Spark plugs directly affect the engine's acceleration performance and fuel consumption. When you feel a lack of engine power, maintenance should be performed. The lifespan of spark plugs varies depending on their material.

[DelAriana]

My car has just passed 20,000 kilometers, and maintenance at this point is really important. I'll go for a comprehensive check-up. Mainly changing the engine oil and oil filter to protect the engine from cylinder wear and extend its lifespan. Also need to check the cabin air filter, as it tends to accumulate dust at this mileage, affecting cooling performance. Tires and brakes are priorities - inspecting tread depth and brake pad wear, with front tires often wearing faster and needing replacement. Fluid levels like coolant and brake fluid must also be ensured to prevent overheating or brake failure. Since I mostly drive in urban areas, tire and suspension checks are even more critical. These maintenance tasks aren't troublesome and can save big repair costs later. Remember to find a reliable repair shop and have the mechanic test the lights and electronic systems for safety. The whole process takes about an hour to complete, then you can drive with peace of mind.

[McSkylar]

I prefer doing some maintenance tasks myself. At 20,000 kilometers, I first check the tire pressure and whether the wear is even, which I can handle on my own. Changing the engine oil and oil filter is basic, but it's more reliable to let a professional shop do it. The air filter tends to accumulate dust, so replacing it regularly ensures clean air intake. Checking the thickness of the brake discs and pads is crucial—if they're too thin, the emergency response might be slow, affecting safety. Make sure the coolant and brake fluid are sufficient and there are no leaks. If the spark plugs cause ignition issues, they should be inspected and replaced to save fuel consumption. The chassis and suspension should also be checked to ensure the shock absorbers are functioning properly for stable high-speed driving. After maintenance, the car feels smoother and more powerful, making long trips worry-free. Focus on key maintenance items and note other minor issues to address them next time, saving money and being practical. Don't rush the entire maintenance process—safe driving lasts longer and gives peace of mind.

[DelEvelyn]

To save money, at 20,000 kilometers, I only do the essentials: change the oil and oil filter to protect the engine core and extend its lifespan. Check the brake pads and tires to ensure they're not too worn, avoiding unsafe emergency stops. Replace the air filter yourself at a low cost to prevent odors affecting driving. Check fluid levels like brake fluid and coolant to prevent major issues. No need to waste money on a full vehicle scan unless there are unusual noises. Regular maintenance prevents major repairs—spending a few tens now can save thousands later, which is truly cost-effective. Driving habits affect maintenance frequency; more frequent checks are needed for aggressive city or suburban driving. Get the core items done, and the car runs fine—economical and stress-free.