Power Steering Pump: Disassembly
- Remove power steering pump from vehicle. See POWER STEERING PUMP
under REMOVAL & INSTALLATION. On models with L61 engines, remove power steering reservoir retaining clips from assembly, and remove reservoir and "O" ring seal from power steering reservoir housing. On models with L81 engines, use Power Steering Pump Hub Puller (SA9218NE), or equivalent, and remove hub.
- For both pump types, place punch into power steering pump housing access hole, and remove retaining ring. See Fig 1
. If necessary, compress end cover with one end of "C" clamp on end cover, and other end on shaft (put a piece of wood between shaft end and clamp to protect shaft).
- Gently push drive shaft to remove end cover, "O" ring, pressure plate spring and pressure plate. See Fig 1
. Remove drive shaft assembly consisting of shaft, rotor, vanes, pump ring, thrust plate and shaft retaining ring. Remove large "O" ring, 2 dowel pins and shaft seal from pump housing. Remove shaft retaining ring to disassemble shaft assembly.
Courtesy of GENERAL MOTORS CORP.