Yep. Pulled the lower unit and it has a bad impeller. Now I just have to figure out how to get if off the shaft. Shaft seems attached at the prop gear end. Do you usually have to pull the prop and gear to get the drive shaft up to get the impeller off?

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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