>You have to do a complete change of the engine lubricant how often? Usually not very often. I only need to do it once every 10,000 miles. There is a widely he

>You have to do a complete change of the engine lubricant how often? Usually not very often. I only need to do it once every 10,000 miles. There is a widely held myth that you must do it more often but its just that - a myth. Modern cars can go very long time without an oil change, check the owner's manual for your car to know how long. http://skeptics.stackexchange.com/questions/4209/is-it-necessary-to-change-motor-oil-every-5-000km-3-000-miles http://skeptics.stackexchange.com/questions/4209/is-it-neces...