Originally Posted by Frango100
The detergents in fresh oil can remove some old stuff which could have prevented a leak. You see it happen more often that a leak starts after an oil change.
Interesting. So, kind of like how a transmission fluid flush can ruin the transmission if its really old? Because it like removes the sludge essentially holding together the transmission.
Guess this is what comes with an older car...would be scared to know when my last oil change was.