Originally Posted by ladytonya
On the dreaded how long between changes topic, I have honestly never know what to do! You read so many different things, anywhere from 3,000 to 10,000 and also depending on driving conditions.
There isn't a single correct answer for this. Older cars recommended 3,000 miles. Newer cars without an IOLM usually recommend either 5,000 or 7,500. Either of those are pretty convenient b/c I rotate the tires at 5K, so it's either aligned with the tire rotation or between them.