When do passenger cars need to be replaced for 80,000 km maintenance? When do you need major maintenance? Ask the professional Jetta.

The 80,000-kilometer car still needs routine maintenance (engine fuel tank). If you haven't changed the following, you can consider adding air filter, air conditioner filter and gasoline filter to change gear oil, brake fluid and spark plug. If the engine power and other feelings are ok, there is no need to change them. Give the whole car a comprehensive inspection again. Clean it if necessary, and it will be OK.

In the future, if you want to insure every 10,000 kilometers, you should use the engine oil from all over synthetic engine oil and around 400 yuan. Otherwise, it is recommended to change it every 5000 kilometers.

The most important thing in car maintenance is to change the oil and oil filter. The most important thing in car maintenance is car washing. The most important parts of automobile maintenance are tire surface and air pressure, oil level, cooling water level and brake oil level.

Five key points of engine maintenance: 1. Change the oil and filter element regularly (every 5,000 kilometers) with appropriate grade oil; 2. Maintain the air filter regularly and replace it regularly (once every 20,000 kilometers); 3. Clean the fuel system regularly and replace the fuel filter regularly (every 30,000 kilometers); 4, regular maintenance (30000 km) water tank cooling network; 5. Replace the spark plug regularly (40,000 kilometers or driving conditions).