I packed some grease where you said between the arm and the chain, then put a new belt on and no more noise!

I am sure it was just the belt, I guess I was over thinking it.

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1999 E300 TD 190,000
1996 Passat TDI 225,000-sold
1996 E300 120,000-sold
1998 Jetta TDI 186,000 -sold
1983 Chev Suburban C20 6.2-sold