Yeah... scary. Thtis is why I figure its smart to replace them... I dont want to deal with this sort of thing, and I figure every time that they get hot, every time I drive 100mi, etc., they get a little weaker.
I figure new ones can at least last me another 100k before I have to think about it again, since these have lasted 216k

JMH

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Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (116k)
1991 350SD (206k)
1991 300D (228k)
2008 ML320 CDI (199k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (267k)

Past Diesels:
1983 300D (228K), 1985 300D (233K), 1993 300D 2.5T (338k), 1993 300SD (291k)