D 350 Pickup L6-359 5.9L DSL (1989)
Removing Vacuum Pumps From Housing
7. Remove nuts/bolts attaching vacuum pumps to housing and remove both pumps.
Housing Mounting Spacers
8. Remove mounting spacers from steering pump.
Pump And Housing Shaft Bore O-Ring Location
9. Remove pump O-rings from housing or pump shoulders.
10. Remove O-ring from housing shaft bore.