Why does dip stick show overfull but no oil will drain?
I changed the oil in my 2002 Toyota Sienna yesterday. When I was done, I checked the levels and the dip stick showed it to be overfull. I should have stopped before adding the 5th quart, but I didn’t.
So this morning I pulled the drain plug out to reduce the oil level and hardly any oil came out. After maybe ¼ of a quart, it went to a steady drip. I put everything back together and ran the engine for five minutes to warm things up, then when I pulled the plug out, NO oil came out! However, the dip stick stills shows it to be overfull!
Did the oil get pulled into a part of the engine where it’s not supposed to be and now it’s being held there by vacuum? I admit that I only understand the basics of combustion engines, but I’ve changed my own oil before and never seen anything like this. I was just trying to avoid any problems associated with overfilling the oil.
Any help would be very much appreciated.
This question is in the General Section. Responses must be helpful and on-topic.