Have my 300DT OM617 opened up to change out the injection pump timing device and vacuum pump. Stalemate is with the chain maintaining it's grip on the timing device sprocket. The chain tensioner is loose, chain attached to camshaft with cable tie, driveshaft at TDC with a little back and forth between the 10's to see if I can loosen it's grip while I pull the chain away with different implements. The lastest seemingly effective are plastic knives inserted to pull the chain away and keep it away. Can't seem to get the chain off past 3 o'clock. Any suggestions while keeping my timing?

Rick

'83 300DT 275,000

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Rick Essman
1983 300TD 275,000 miles
Wilmington, NC