The search isn't working so I'll have to ask. Engine won't shut off with key and shut off valve is not holding a vacuum on my 77 300d. Can it be replaced without removing the oil filter housing? I assume it can but will require some finageling. I know I need to be sure the rod is connected and to be prepared to stop the engine if it isn't. Any other hints on how to make the job easier.

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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