Jim:

Probably easier to just replace the diaphram than remove the pump. There were three vac pumps used, all bolt to the same hole, but I don't know if they are interchangable. Certainly the later piston type is NOT with the 220D.

Peter

__________________
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!