There's a video online somewhere that shows a guy sucking the oil out of an ecoboost then pulling the drain plug and not getting a drop of oil out of it.
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Don't trust everything you see on YouTube! lol
I'd go with what the manufacturer states over someone trying to justify poor decision making!
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Have been using oil extractor for a few years, always wondered about the leftover oil it was not extracting. I have removed drain plugs on 2 different vehicles after extraction, and leftover was a few drips. It was the only way to confidently know that extraction was sufficient, and as stated above not rely on YT or videos. For whatever reason (probably user error) had trouble with extractor adequately pulling oil on 31 year old Ford, so I installed a Fumoto valve. I plan on doing first oil change on Bronco at 1k. I may try the extraction and then remove drain plug to see how it did. I plan on having a Fumoto valve on hand to install, if extractor method leaves oil in pan. Picked up a couple of Ford FL2127 oil filters (could not find Mobil 1 filters locally). And to answer the title thread of "Oil change cost", dealer I went to for filters had a special for $79.99. That could have been for synthetic blend. Other dealer ads I see usually seem to be about $99-129.
Ok, let's think this through...
The extraction is done through the dipstick tube.
The dipstick is exposed to the oil in the pan by the tube stopping short of the bottom of the pan, this way the oil can easily contact the dipstick and not be impeded by the tube.
If the tube does not go to the bottom of the pan, how does the extractor get the oil from the bottom of the tube to the bottom of the pan?
Not rocket surgery. Because the rigid part of the oil extractor tube if it’s long enough goes through the dipstick tube, beyond the bottom of the dipstick tube, to the bottom of the oil pan.
If an oil extractor is used and then complete oil removal is confirmed by removing the oil pan drain plug, what more confirmation do you need?
If an oil extractor is used and then complete oil removal is confirmed by removing the oil pan drain plug, what more confirmation do you need?
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And I would bet that if you were to remove the pan, you would see more than a thin film of oil in the bottom of the pan and if there were any foreign debris, it would still be there as the extractor tube does not create the same "flow" that regular draining does.
Do what you want to do, but I wouldn't be advising others of it's virtues without mentioning drawbacks, that's just not cool!
I change my oil to remove as much debris and contaminates as possible without going to extraordinary measures.
PS And removing the plug to see if all drained makes me wonder why you wouldn't just drain the oil?
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Do you waste a quart of oil by pouring it through before re fitting the drain plug? That's bound to help, or do you consider that an extraordinary measure?
