I may have screwed up. Again! I didn't read the instructions carefully enough on a valve adjustment on my 81 300td and turned the crankshaft counterclockwise for all 10 valves. What are the repercussions of doing this? I'm a bit afraid to start it given some ominous warnings but no real specifics of why this is a bad idea.... quick help would be appreciated!
thanks!

Lots of ominous warnings on here but no catastrophes that I know of. If I were you, I'd put a socket on the crankbolt and turn it a few revolutions in the right direction before starting it. Would be considerably easier to do with the glowplugs removed.

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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

Yah I think IF it messes something up, it is the chain tensioner.... and that makes sense to roll it over a couple of full revolutions the right way with the G P s out to feel for anything wrong before you try starting it.

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Thanx,
Alberta Luthier
1983 300CD ('Stinky')155k miles, 2.47 diff, EGR removed, AAZ injectors with 265 nozzles from Sean,and vogtland lowering springs.
1984 300SD ('Old Blue')150k Klicks from Japan originally, came with rear head rests, no sunroof and never had an EGR

I crossed my fingers, started it and all is good!
Thanks for the re-assurance!

Turn the Engine in the correct direction of rotation a couple of times as previously stated. Except on the last rotation line up the Camshaft Gear Timing Marks with the one on the First Camshaft Bearing Tower and take a look at your Crankshaft Damper degree marks.
Depending on you Timing Chain Stretch and Gear wear it should be slightly after TDC (OT) a few degrees.
Or simply report back and let the members see what you got.

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84 300D, 82 Volvo 244Gl Diesel