Guest post by retired ASE master technician Mark Gittelman. It happens to the best of us: We take on a car repair only to find out the hard way that it’s more involved, more time-consuming and more expensive than we thought.
That’s a good question. The short answer is, “Because the owner’s manual says you’re supposed to.” But why do we have to change it so often? Whether you learned it through your parents’ instructions or by reading the owner’s manual, you know that changing the oil from time to time is one of the responsibilities of