D 350 Pickup L6-359 5.9L DSL (1989)
Power Steering Pump: Service and Repair
Assembly
Installing Shaft Bore O-Ring
1. Lube new adapter O-ring with engine oil and install in adapter.
2. If pump adapter was removed from housing, reinstall and tighten attaching bolts/nuts to 124 in lb (12 - 14 Nm).
3. Lube new shaft bore O-ring with engine oil and install in housing bore.
4. Lube vacuum pump housing bushings with oil.
Housing Mounting Spacers
5. Install mounting spacers on power steering pump.
Installing Vacuum Pump Housing
6. Mount vacuum pump housing on power steering pump. Tighten housing retaining nuts to 18 ft lb (24 Nm).
7. Start drive gear, eccentric and bearing assembly on power steering pump shaft. Ensure that eccentric is not cocked on shaft.
