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Re:Pump Chain Tension (archive)

[ Follow Ups ] [ 5-series (E28) Message Board ] [ Msg. Board FAQ ]

Posted by Bob on January 14, 2001 at 13:49:11:

In Reply to: Re:Pump Chain Tension posted by Bob K. on January 14, 2001 at 00:19:45:


I just like it to wiggle a bit with light finger pressure (maybe a 1/4" either way from a straight edge held against the chain at the sprockets) without feeling that the chain is under any tension. At that setting, it won'r wear before the next look-see (100K miles or so)that it could possibly be "thrown" or jump off the sprocket. Not a very scientific measure, but it has never caused a problem.

Bob


Bob, just curious what you use as a method is for determining the right tension on the pump chain. I am redoing the bottom end on an M30 now, and am wondering how much I should shim it. There is no numeric specification (deflection, etc.) in the factory shop manual or the Bentley.





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