That is, not without having real good reason to replace some stuff. Going back the past 3 or 4 years, the number of engines that have been lost due to screwing with that chain have been many, especially on the 617 diesel. So unless you see real evidence of wear, I would say leave it alone.

__________________
Junqueyardjim
Christianity, if false, is of no importance, and if true, of infinite importance. The only thing it cannot be is moderately important. C.S. Lewis



1983 Mercedes W123 240D 4 Speed 285,000 on the road with a 617 turbo, beautiful butter yellow, license plate # 83 240D INDIANA

2003 Jaguar Type X, AWD. beautiful, good mileage,
Mom's car, but I won't let her drive it!