Agree with your approach, the problem though is with the upper crush washer which is just under the bolt head, it's on really tight and to get it off you'd risk bending the washer. With the lower washer which drops into the oil pan, no sweat.
Check what fluid type you need in your reservoir as some 2008s use a different fluid. I used almost a full liter. No leaks!
Last edited by VictorH; 10-01-2011 at 08:10 PM.