I have removed the intake from 123 diesel engines several times for cleaning. No big deal. I have seen some of these other engines, and they are not as simple. Nonetheless, I would consider removing it, if you really want it clean.

Good luck,

------------------
Larry Bible
'84 Euro 240D, 523K miles
'88 300E 5 Speed
'81 300D Daughter's Car
Over 800,000 miles in
Mercedes automobiles