Power Steering Pump: Reassembly
- Lubricate all "O" rings, seals, pump ring, rotor and vanes with power steering fluid. Using socket, press NEW drive shaft seal into housing.
- Install dowel pins and all "O" rings. Install drive shaft and thrust plate. Install pump rotor into housing with counterbore facing drive shaft side of steering pump.
- Install NEW drive shaft retaining ring, ensuring ring is seated in groove. Install vanes with rounded edges toward pump ring. Install pump ring and pressure plate. Install "O" ring, flow control valve, and spring.
- Install pressure plate spring, end plate, and retaining ring. Install seals and reservoir. Install union fitting, "O" ring, and reservoir retaining bolts.
Courtesy of GENERAL MOTORS CORP.
- Lubricate NEW drive shaft seal with power steering fluid and drive seal into pump housing using Seal Driver (J-7728). See Fig 1
.
Courtesy of GENERAL MOTORS CORP.
- Install pump ring dowel pins into pump housing. Assemble thrust plate and pump rotor onto drive shaft. Fit NEW retaining ring to shaft. See Fig 2
.
Courtesy of GENERAL MOTORS CORP.
- Install drive shaft subassembly into pump housing. install vanes into pump rotor. With holes positioned correctly onto dowel pins, install pump ring into pump housing.
- Lubricate NEW "O" ring with power steering fluid and install into pump body. Install pressure plate and pressure plate spring.
- Lubricate NEW "O" ring with power steering fluid and install into end cover. Lubricate outer edge of end cover with power steering fluid. Press end cover into pump housing. When installing retaining ring into groove, ensure opening of ring is near access hole in pump housing. See Fig 3
.
Courtesy of GENERAL MOTORS CORP.