What needs to be replaced for a 40,000 km maintenance?

[VanElisa]

Car maintenance items at 40,000 kilometers are as follows: 1. Replace engine oil (lubricating oil) and oil filter: Must be replaced every 5,000 kilometers or six months. If using full synthetic oil, it can be replaced up to every 8,000 kilometers. 2. Replace air filter and cabin air filter: The air filter and cabin air filter should be replaced every 20,000 kilometers or two years. 3. Replace fuel filter, full vehicle brake fluid, and transmission oil: For automatic transmission models, transmission oil also needs to be replaced; for rear-wheel drive vehicles, differential oil also needs to be replaced. Additional notes: Tires over four years old may be considered for replacement. Brake discs can be replaced if the brake pads have been changed three times. Battery: The car battery should normally be replaced every two years. Even if the car hasn't driven 40,000 kilometers in two years, the battery should still be checked for power loss.

[MacLilliana]

I've driven several cars, and experience tells me that at the 40,000 km service, it's essential to change the engine oil and oil filter—it's the most basic maintenance. Otherwise, the engine can accumulate carbon deposits, affecting performance. The air filter should also be checked and replaced if dirty, as a clogged filter can restrict airflow and increase fuel consumption. Spark plugs are another key point—they may wear out by 40,000 km, leading to poor ignition, so it's advisable to replace them. Rotate the tires to ensure even wear, and check if the brake pads have sufficient thickness; replace them if they're too thin to ensure driving safety. Don’t forget to check the coolant and brake fluid levels—top them up if low to avoid overheating issues. I usually go to a reliable repair shop, which costs just a few hundred bucks but keeps the car running longer and smoother. Remember, regular maintenance is the key to car care—don’t delay until minor issues turn into major repairs.

[MacIan]

As a young car owner and former novice, I didn't realize the importance of maintenance until hitting 40,000 km. The key is changing engine oil and oil filters - otherwise engine wear accelerates and fuel consumption spikes. Replacing air filters is also recommended as clogged ones affect AC airflow. My car's spark plugs needed replacement around 40,000 km when aging caused strange noises during ignition. Tire rotation checks prevent alignment issues that damage tires. Never neglect the brake system - inspect discs and fluid for safety. I added battery tests too, fearing winter breakdowns in older vehicles. Following the manual offers affordable solutions - about 500 yuan per maintenance leaves the car running smoother. Developing these habits saves both money and headaches.

[DiEmerson]

I'm a pretty cautious driver, especially at the 40,000-kilometer milestone. The key maintenance focuses are replacing or checking several components. Engine oil and oil filter must be changed to ensure proper engine lubrication. The air filter should also be replaced to reduce dust contamination. Check the spark plugs for aging and replace them promptly to avoid ignition failures. More critically, inspect the brake system for pad wear to ensure braking safety. Rotate and check tire wear to prevent misalignment. Check coolant and brake fluid levels, topping up if low to avoid engine overheating or brake failure. It's recommended to have these done at a professional shop for a few hundred bucks – don't skimp on this. This ensures peace of mind while driving and extends the vehicle's lifespan.

[Giselle]

As a family car, I need to budget carefully. At the 40,000-kilometer maintenance, I should replace some parts to save costs. First, change the engine oil and oil filter to improve fuel efficiency and save on gas money. Check the air filter and replace it if it's dirty, otherwise, the AC won't work well, affecting comfort. Spark plugs should also be replaced at 40,000 km to prevent hard starts. Rotate the tires and check for wear to avoid early replacement costs. Inspect the brake system to ensure safety, especially when picking up and dropping off the kids. I usually remind the repair shop to check the battery and wipers to avoid sudden failures. Keep the total cost under 600 yuan, and the car will be quiet and worry-free afterward. Don’t delay regular minor maintenance—it’s both cost-effective and practical.

[StSamantha]

I enjoy tinkering with my car and prefer DIY for simple projects at 40,000 kilometers. Changing the engine oil and oil filter is easy to do myself, requiring simple tools and saving costs. Replacing the air filter is also straightforward, as a dirty one can affect air intake efficiency. After inspecting the spark plugs, I replace them if they're worn out, as aging can cause engine misfires. Rotating the tires and checking for wear helps extend their lifespan. It's also advisable to check the brake fluid and coolant levels, topping them up if low to ensure system stability. Finally, a comprehensive inspection at a professional shop for around 500 yuan is sufficient. After this maintenance, the car responds better, accelerates more smoothly, and the DIY process is both fun and educational.