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What are the items included in a major maintenance at 40,000 kilometers?

3 Answers

Marley

07/30/25 2:06am

The items included in a major maintenance at 40,000 kilometers are: 1. Replacement of engine oil, oil filter, air filter, cabin filter, and fuel filter; 2. Replacement of spark plugs; 3. Replacement of gear oil, power steering fluid, and brake fluid; 4. Replacement of coolant. Maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of a car, also known as automotive servicing. The benefits of maintenance include: 1. Ensuring the vehicle remains in excellent performance condition; 2. Improving the vehicle's efficiency and reducing the wear of its parts and tires; 3. Enhancing driving safety; 4. Preventing potential hazards caused by vehicle issues; 5. Reducing noise and environmental pollution; 6. Keeping the vehicle's appearance clean and preventing damage.

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VanVivienne

08/15/25 8:05am

I remember during the last 40,000 km maintenance, the technician listed several items for me. Besides the routine engine oil and filter replacement, special attention was given to checking the brake pad thickness and brake fluid condition—safety always comes first. Spark plugs usually need replacement at this mileage, otherwise the engine might shake. Both the cabin air filter and engine air filter typically require replacement, especially if there's any odd smell when using the AC. They also inspected the chassis rubber bushings for cracks and ensured the steering system was functioning properly. Finally, the technician recommended throttle body cleaning and fuel system maintenance, claiming it could improve throttle response. The total cost was around two thousand yuan, but the car definitely runs much smoother now.

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Jessie

10/21/25 4:17am

40,000 kilometers marks the mid-term major maintenance. Based on my experience, three key areas must be addressed: Fluids - replace engine oil, brake fluid, and coolant as they all have expiration dates. For filters, directly replace both the air filter and cabin air filter (I once skipped this and ended up with smelly AC for half a month). Component inspection is critical - have the mechanic thoroughly check brake system wear, tire tread depth, and chassis suspension condition. Also remember to ask the dealership to scan for diagnostic trouble codes - modern cars with numerous electronic components often have hidden issues. Finally, get a wheel alignment done for peace of mind during highway driving.

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