D 350 Pickup L6-359 5.9L DSL (1989)
Vacuum Pump: Service and Repair
Removal
Vacuum Pump/Power Steering Pump Assembly
NOTE:The vacuum pump/power steering pump is removed and replaced as an assembly.
1. Disconnect negative battery cable.
2. Disconnect booster vacuum hose at upper pump.
3. Disconnect fluid lines at power steering pump. Cap lines to prevent dirt entry and fluid spillage.
4. Remove bolts attaching pump assembly to block and lift assembly from engine.
5. Drain fluid from steering pump reservoir.
6. Remove gasket material from engine block and pump mounting surface.