Quote:
Originally Posted by timid1
Owner's guide says to change them at 20k miles (I think they even specify engine hours) for normal conditions. You might not fall into that category, but from what I've seen on these boards, few people actually follow the manufacturer's recommended maintenance schedule.
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I pretty much follow the recommended maintenance schedule, I just mostly use the severe duty one. I'd rather waste a couple $k in extra oil and filters over a 20+ year vehicle service life than risk early problems with a $60k truck. Since I do my own service, the lack of labor charges probably makes the actual cost in line with the normal service schedule for dealer service anyway.
