I screwed myself when I replaced the fan clutch two years ago, loosened it with an allen/hex, but the bold was a torx, stripping it instantly. Took me a couple days to get it out without damaging anything.

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1979 Black on Black, 300CD (sold), 1990 Black 300SE, Silver 1989 Volvo 780, 1988 300CE (vanished by the hands of a girlfriend), 1992 300CE (Rescue).