Thanks for the replies!!! I will replace this when I undertake my most ambitious project yet on my car....the removal of my intake manifold and replacement of my glow plugs. I replaced number 6 and number 3 earlier this winter, but now I have two more that are sub-par.
At the same time I will perform Jeremy's procedure for after glow on my car. I haved saved your article for reference.

After those items are complete, I will try and figure out where I am leaking power steering fluid. Unfortunately, I believe it is coming from the steering box itself. I have no other leaks at all on this car and it dismays me to see it marking its territory.

John

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John
1986 300sdl
1985 380se