I wondered about oil starvation damaging the IP too. Seems coincidental that this would happen after he gets it up on some ramps?? Did it start ok before you drove up on the ramps to do the service? Don't know what an IP with air in it might do in a similar video. Nice video by the way.

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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