Last year during a winter cold spell, my 77 300d began to suffer from a vacuum leak. Not having a garage and unwilling to trace down a vacuum leak outside in the cold weather, I put a rubber vacuum hose on the shut off valve and ran it out the hood at the cowling, leaving a few inches dangling there so I didn't have to open the hood every time I needed to shut off the engine. I'd give a couple of quick sucks and off it would go.

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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