Disassembly

Fig. 2 Exploded view of power steering pump:

CAUTION: Before disassembly of pump, remove filler cap and drain fluid. If broken components or foreign materials are found during disassembly, hydraulic system should be disassembled, inspected, cleaned and flushed before servicing is complete.

1. Clean exterior of pump with solvent and crocus cloth.
2. Remove bolt and fitting from rear of pump reservoir, then the reservoir and seals.
3. Remove end plate retaining ring using a screwdriver and punch.
4. Remove endplate and pressure plate spring, then the O-ring, control valve and control valve spring by inverting housing.
5. Tap lightly on driveshaft with a rubber mallet to remove pressure plate.
6. Pull out pump ring and vanes, then remove shaft retaining ring, pump rotor and thrust plate.
7. Remove driveshaft key from slot in shaft, then with end of shaft pointed downward, press down until shaft is free.
8. Remove seals, dowel pins and O-rings.