The local dealership was kind enough to write me up a list of parts that they found needing replacement.
They quoted a price of $3400.00 for "trap oxidizer campaign"

__________________
If it ain't broke take it apart and find out why.

1983 300SD, 4 speed
1994 C280
1987 300TD wagon
1996 HD Road King

Ride in Peace Eric Peterson, Harley of Macon