The manual for my 2003 VW TDI says to change the oil every 12 months or 10,000 miles. My dealer says every 6 months or 5,000 miles. Are they just trying to make twice as much money off my oil ...
Is it normal for the oil to be dark in color right after an “oil change” in a 10-year old diesel car?
I took my 2002 Jetta TDI wagon to a neighborhood shop about 10 miles, 24 hours ago. They supposedly changed the oil, but the color is very dark, almost black. Definitely not light-colored/transparent. ...