'Twas me I think. C reg Volvo 740 2.3. Bought at 100,000 miles and abused until 340,000 miles when the rust got it. No oil change, no filter change etc, one breakdown caused by wire to Hall Effect sensor breaking, fixed by roadside dab of solder from pen gas solderer. This was an experiment on my part, having owned and cherished Volvo's for most of my life. I wanted to see how far I could push one, but not literally !
The majority of engines have the filter located above the level of the sump oil and so the filter can be replaced quite easily without having to drain the oil.
Kev
But the filter will always collect oil inside it, so unless it's perfectly vertical (with the filter pointing downwards), with all the oil pipes nearby also being perfectly vertical, then a reasonable amount of oil will always collect in that area, and still spill out when the filter is changed, hence why it always has on any engine I've ever removed the filter from, and that's *after* draining the oil from the sump first.
And besides which, who ever changes an oil filter without changing the oil at the same time anyway? I've heard of people doing the opposite - only changing the filter on every other oil change, but not the other way around.
I agree - but I merely reported an observation made by an oil technician that modern oils will protect for many years without requiring changing - so long as the filter is regularly replaced. The fact that many idle owners never change their oil (or filter!) without apparent harm is testimony to that. I'm not advocating it - just commenting upon it!
Kev
I had an Astra GTE once that used oil at an alarming rate, probably over a gallon every 3000 miles, it was totally shagged and I scrapped it, but I did only change the filter a couple of times, never bothered with the oil as it always had fresh in it!
jinx
Ah yes, the "constant oil change" principle. My Merc worked on that one too!
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