Unless you have the new style steel spring belt tensioner, plan on getting that, too, the rubber will be shot on the old one.

high pitched noise is not the water pump, by the way -- I replaced mine and it's still there.... Either PS pump or alternator, I'd guess.

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!