Remove fan and clutch by holding the clutch with a piece of coat hanger wire stuck between the two "nubs" on the bearing housing and into the holes around the back, 8mm Allen for the bolt in the center. Fan is easy to remove on the bench, and you gotta do this anyway to get the bearing assembly off.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!