Quote:
Originally Posted by burn_this_city
I don't buy the gasket swelling thing, gaskets have been made out of many materials including cork, rubber ect. Its also proven that synthetic is a better penetrant than conventional. My truck has an oil life monitor that I change at 20% life remaining. Usually this is around 15,000km. I can't use color to determine the life since diesel oil is charcoal black as soon as you fill it.
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On the gasket thing, regardless, switching to synthetic will not cause engines to begin leaking oil, not anything that is within the timeframe I mentioned.
Question for you - did you notice the oil change interval, as dictated by the monitor, increased when you switched to synthetic?
My van has one too, which apparently monitors engine RPM, start/stop temperatures, operating temperatures, etc, to determine oil life. I don’t think it knows whether synthetic is in the engine or not, only what the lifespan for typical oil would be under the use conditions it has observed.