
maintenance is generally performed once a year or every 10,000 kilometers. Automobile Maintenance: Automobile maintenance refers to the preventive work of regularly inspecting, cleaning, replenishing, lubricating, adjusting, or replacing certain parts of the automobile, also known as automobile servicing. Audi Q5L Maintenance Items: Replace engine oil and oil filter, visually inspect the engine for leaks or damage, visually inspect all components related to exhaust emissions, check the exhaust system for leaks or damage, check the concentration of coolant/antifreeze, add coolant or adjust concentration if necessary, query the self-diagnosis system fault memory, check the thickness of brake friction linings, visually inspect the brake system for leaks or damage, check the brake fluid level based on the wear status of brake friction linings, visually inspect the transmission, final drive, and constant velocity joint boots for leaks or damage, check the steering ball joint dust boots for leaks or damage, check the tread depth and wear pattern of all tires, check tire pressure and adjust if necessary, check the battery electrolyte level and add distilled water if necessary, check the steering tie rod end joint clearance, tightness, and dust boot condition, check the air reservoir and water drain valve for cleanliness and clean if necessary, check and lubricate the function of door locks, safety locks, and child safety locks, check the function of lighting, turn signals, hazard warning lights, warning/indicator lights, and horn, check the function of windshield wipers/washers, headlight washers, washer nozzles, and the stopping position of the wipers.

The cycle for the Audi Q5L should be discussed separately. For regular minor maintenance, it's generally every 10,000 kilometers or once a year, whichever comes first. For someone like me who commutes daily in the city, it's basically an annual visit to the 4S shop. If you frequently drive on highways or in poor road conditions, it's best to check the engine oil every 8,000 kilometers. Major maintenance is required every 20,000 kilometers, focusing on brake fluid and the cabin air filter. Once, I delayed replacing the air filter by 3,000 kilometers, and the blower started making squeaky noises. Now, during maintenance visits, I always make sure the technician cleans the sunroof drainage holes—a must-do in areas with heavy rainfall.

The manual states to perform routine service at 10,000 km, but don't rigidly adhere to this number. The owner of the tuning shop in my neighborhood put it bluntly: oil lifespan primarily depends on driving habits. Frequent hard acceleration, summer AC usage in stop-and-go traffic—the oil degrades rapidly. His Q5L's dipstick turned black in just three months. Learning to assess your oil's condition is most reliable; change it immediately if it's black with contaminants. Officially, spark plugs should be replaced at 20,000 km, but in practice, mine lasted 40,000 km without issues—just inspect the electrode gap with a borescope.

The biggest rip-off in is the consumables. The official recommendation is to replace the air filter every 20,000 km, but in dusty northern areas, changing it three times isn't excessive. I stock up on Mann filters myself, saving 50% compared to dealership prices. Rotating tires is a money-saving trick—swap front and rear tires every 10,000 km, and you won't see uneven wear even at 50,000 km. Don't blindly trust OEM wiper blades; the 30-yuan ones from Tiger perform just as well. Always check battery health during maintenance—start-stop batteries cost a fortune to replace.

It's best to go for the first of a new car at 8,000 kilometers, as all mechanical parts are in the break-in period. Follow the manual for maintenance in the first three years. After the warranty expires, you can buy full synthetic oil yourself, and the Mobil 1 0W-40 with Audi certification is sufficient. Pay special attention to the oil consumption of the third-generation EA888 engine, and it's always good to keep 1L of oil in the trunk. The transmission oil must be replaced with original parts at 60,000 kilometers, and this expense should not be spared. Check the chassis rubber bushings annually, as aging can cause alignment issues.

Just took the Q5L for its 100,000 km major service last week. Changed 10 liters of transmission fluid and replaced the 4WD differential oil. The brake discs were worn thin, so upgraded to slotted discs directly – the OEM parts were too soft. The chassis bushings had aged and were causing squeaks, replaced them with reinforced bushings to fix it. Most surprisingly, found the charcoal canister was clogged, no wonder there was always a suction sound from the fuel tank. For older cars, it's recommended to check the vacuum hoses more often – rubber parts basically become brittle after eight years.


