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Originally Posted by Kajtek1 I used MityVac and used the rubber connector to attach the main tubing directly to the dipstick tube.
After sucking all oil this way I attached smaller tubing, that went inside the dipstick tube all the way to the bottom of the pan. No more oil come out this way, so dipstick tube on this engine is design to suck the pan dry. |
Wrong logic.
It only means that the smaller tubing goes only as deep as the bigger tubing.
You need to open the drain screw at the bottom of the pan to prove that all oil is sucked out.
I don't bother with that. I just add an additional quart of new oil to flush out any remaining old oil.