Maintenance items and costs for Great Wall vv7 at 20000 km: The maintenance items for Great Wall vv7 at 720000 km are to replace the oil, oil filter, air filter and air conditioning filter. The cost is 3153 yuan. The price may vary from place to place. Daily car maintenance is very important. Automobile maintenance is a preventive work to check, supplement, lubricate, clean, adjust or replace some parts of the automobile in a specified period, also known as automobile maintenance. Automobile maintenance mainly includes the maintenance of engine system (
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