The fan would fly into the rad and bite a BIG hole in it -- I did this with my 68 Toyota Crown when the water pump shaft broke and worked out of the bearings. Had to change the radiator outside in subzero weather, not fun. Metal fan, cut through all three rows of tubes!

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!