OK... I've searched, looked at schematics, sacrificed small inanimate objects, but I cannot figure out how to get this fan clutch off.

'79 300D

Every schematic I see shows it should have a center bolt holding it on. But what I see is a metal clip, held on by another metal clip that is pressed onto the clutch. Remove those and viola! NOTHING! No bolt, just a tiny round hole with a very small metal post in it, slightly larger than a pen point.

I find no nuts or bolts holding this thing on. If there's a center bolt I have to remove whatever this is in front of it and it appears to be completely part of the fan clutch!!!!

I haven't found any threads or wiki articles that show this particular setup.

TIA,
Bill

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'87 300SDL, intensely modified Greasecar setup, with nickle plated heat exchanger, 3 valve setup, 312,000 miles
'95 Suburban diesel, Greasecar basics, 16 plate heat exchanger, mercedes fuel lines, Racor filter
'85 Renault Alliance converted full electric vehicle