F 550 4WD Super Duty V10-6.8L VIN S (2000)
2. Oil and assemble a new O-ring into its counterbore in the valve housing.
3. Lightly oil and assemble a new O-ring and a new seal ring into the large diameter seal ring groove in the valve housing, bending and working them
in and smoothing them out as necessary.
4. CAUTION: If you are replacing the input shaft, valve, worm assembly, discard the spacer sleeve and thin washer.
Install the roller thrust bearing and then the thick washer onto the input shaft end of the input shaft, valve and worm subassembly, seating them
against the input shaft thrust face.
5. NOTE: TAS4O alternate construction.
Assemble the spacer sleeve onto the input shaft with the radiused side toward the valve making sure the sleeve is square. Assemble the thin
washer, thrust bearing and thick washer onto the input shaft behind the spacer sleeve.
