What is the difference between A maintenance and B maintenance?

[Carter]

A maintenance and B maintenance are different as follows: 1. A maintenance: A maintenance refers to the so-called minor maintenance items, generally referring to the regular minor maintenance of the car. The cost of minor maintenance is relatively cheap, mainly requiring the replacement of engine oil and oil filter. These two maintenance items have relatively frequent cycles and directly serve the engine. If the quality or quantity of the engine oil is insufficient, it will directly affect the performance or lifespan of the engine. 2. B maintenance: B maintenance refers to the major maintenance of the car, which includes more items such as engine oil, oil filter, air filter, cabin air filter, fuel filter, spark plugs, brake fluid, transmission fluid, power steering fluid, spark plugs, timing belt, etc. Not all these maintenance items need to be serviced every time; the specific maintenance items should be based on the requirements in the car's maintenance manual.