Forum Discussion

supercub's avatar
supercub
Explorer
Dec 10, 2017

Oil change interval, why is there a time limit?

On most engines, there's a mileage or time between oil changes. On my Cummins 8.3, 350hp diesel, it's 15,000 miles or one year, which ever comes first. Well, I'm at one year, but only have 6100...
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Trackrig's avatar
Trackrig
Explorer II
Dec 11, 2017
Have you every seen an expiration date on a jug of oil like there is on a jug of milk?

I would probably feel a lot better if the oil hadn't been in the engine for five years, but I don't worry about one year. I wonder how many years the vehicle mfgs have been copying and pasting that paragraph? Probably from long before there were computers used to cut and paste with.

Bill

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