Power Steering Pump Assembly: Disassembly

Remove retaining ring from thrust plate side of pump housing. See Fig 1 . Use a 5/8" diameter piece of bar stock to press on drive shaft and remove thrust plate. Remove "O" ring seal between thrust plate and pump ring. Press out pump rotor and pressure plate.

Fig 1: Exploded View of Power Steering Pump Components

Courtesy of GENERAL MOTORS CORP.