What turbo-specific hassle is there, besides making sure you let the engine idle for a couple of minutes to cool the turbo down?

I've never driven a n/a 300D, but I love my turbo!! It'll outrun a '00 Honda Civic (not that I regularly race, but still), and I can maintain her myself.

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2001 VW Jetta TDI, 5 speed, daily driver
1991 Ford F-350, work in progress
1984 Ford F-250 4x4, 6.9l turbo diesel, 5 speed manual
Previous oilburners: 1980 IH Scout, 1984 E-350, 1985 M-B 300D, 1979 M-B 300SD, 1983 M-B 300D
Spark-free since 1999