D 250 Pickup L6-359 5.9L DSL (1992)
Power Steering Pump: Service and Repair
Pump Adapter Replacement
Removing/Installing Pump Drive Coupling
1. Remove coupling from adapter.
Steering Pump Mounting Stud Spacers
2. Remove remaining adapter attaching nuts and remove adapter from steering pump.
3. If steering pump is to be serviced, remove spacer from each inboard mounting stud on pump.
4. Clean pump shaft and lube with engine oil.
5. If previously removed, install spacers on steering pump inboard mounting studs.
6. Install O-ring on adapter.
7. Position adapter on pump studs. Install nuts on outboard stud and on the two upper studs. Do not install nut on lower, inboard stud at this time.
Tighten nuts to 18 ft lb (24 Nm).
8. Install coupling on pump shaft. Ensure that coupling is securely engaged in shaft drive tangs.
9. Install vacuum pump on adapter. Rotate drive gear until tangs on pump shaft engage coupling. Verify that pump is seated before installing and
tightening attaching nuts.
