Sentences with phrase «old oil residue»
This is because the old oil residue left when the oil is changed will always retain a certain amount of contamination and cause the discolouration.
https://mechanics.stackexchange.com/ Not exact matches
Doing it this way, I get a CHEAP FLUSH every time I change the oil, AND I get MOST of yesterday out of the crankcase (I don't think we'll EVER get out ALL old residue).