What is A Maintenance?

1 Answers
StCorey
07/29/25 6:24pm
A Maintenance and B Maintenance are service codes for vehicle maintenance. A Maintenance is a minor service, while B Maintenance is a major service. Below are additional details: 1. Minor service content: A minor service generally refers to the routine maintenance items performed within the manufacturer's specified time or mileage to ensure vehicle performance. It mainly includes changing the engine oil and oil filter. 2. Minor service interval: The interval for a minor service depends on the effective time or mileage of the engine oil and oil filter used. The validity periods of mineral oil, semi-synthetic oil, and full-synthetic oil vary by brand and grade, so please follow the manufacturer's recommendations. Oil filters are generally divided into conventional and long-life types. Conventional oil filters are replaced along with the oil, while long-life oil filters have a longer service life.
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