I've heard topping up with a little ATF about 100 miles before an oil change loosens a lot of gunk. I've been doing it for a while and its hard to tell if it does anything because I've not pulled the pan before i started doing it.

Shame about that egr, there must be a huge demand for them somewhere for so many to get stolen.

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1982 300D (w123, "Grey Car")
1982 300D (w123, "Blue Car")
2001 Ford F150 "Clifford" (The Big Red Truck)
1997 Dodge Ram 2500 12V Cummins
1996 Dodge Ram 2500 12V Cummins
Previous Vehicles:
1995 E300D, 1980 300SD, 1992 Buick Century, 2005 Saturn Ion