I'm planning of doing the same thing in the next weeks, by any change did he gave you a list of all the connectors and spitters to replace?

I always use silicon vacuum lines, used them in two turbo cars and they stayed good for years.

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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).