Temporary solution: Get a piece of long rubber vacuum hose. Attach it to the shut off valve in place of the brown vacuum line. Run the end of the hose out of the hood at the cowl. When you want to shut the engine off give it three good sucks. Fix your lack of vacuum to the valve at your leisure.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13