E 250 Van V8-7.3L DSL (1988)
Power Steering Pump: Service and Repair
Assembly
Fig. 1 Saginaw Power Steering Pump
1.
Clean all metal parts with solvent.
2.
If rotor shaft seal was removed, place a new seal on the shaft with the metal backing facing the pulley end of the shaft.
3.
Install the seal using an appropriate shaft seal installer or equivalent. Tap the tool lightly with a small hammer until seal is properly seated in the
shaft hub.
4.
Lubricate a new pressure plate O-ring seal with Motorcraft Automatic Transmission Fluid (ATF) type ``F,'' XT-1-QF part No. ESW-M2C33-F or
equivalent, then install it in the third groove from the rear of the housing.
5.
Clamp end hub of the housing in a vise so the extending portion of the shaft points down. Do not over tighten vise or bearing damage will
result.
6.
Insert both dowel pins.
7.
Install the thrust plate on the shaft with the ports toward the splined end of the shaft.
8.
Install the rotor on the shaft with the counterbored end toward the thrust plate.
9.
Clamp the shaft in a soft jawed vise, then install a new retaining ring on the splined end of the shaft by prying the ring open and sliding it down
over the shaft until the ring seats in the ring groove. Do not damage the shaft.
10.
Insert the shaft in the housing, lubricate shaft with power steering fluid. Ensure thrust plate slides properly on the dowel pins.
Fig. 2 Installing Cam Ring
