P/S Pump Disassembly and Assembly: Assembly
Reference: P/S PUMP INSPECTION
Reverse disassembly procedure for assembly, noting the following.
- Apply grease to oil seal lip (1). Apply power steering fluid to sliding surface of the shaft (2) and then insert shaft in the pump body.
"A": Grease 99000-25010
- Apply power steering fluid to O-rings (1) and fit them to pump body.
- Install side plate (1) to pump body.NOTE: Carefully align the dowel pins on the side plate (1) with the bolt hole (2) as shown in the figure.
- Apply power steering fluid to sliding surface of rotor (1).
- Install rotor to shaft, directing dot (3) marked side of rotor facing up.
- Install new snap ring (2) to shaft, then make sure to fit snap ring into shaft groove securely.NOTE: Never reuse the removed snap ring.
- Apply power steering fluid to sliding surface of cam ring (1).
- Install cam ring to pump body. The tapered end of cam ring (1) should face the side plate (2).
- Apply power steering fluid to each vane (2).
- Install vanes (12 pieces) (2) to rotor (1).
- Apply power steering fluid to O-ring (1).
- Install O-ring (1) to pump body.
- Apply power steering fluid to sliding surface of pump cover and rotor.
- Match the dowel pins (1) to the holes of the cover plate (2) as shown and install pump cover to pump body.
- Gradually tighten pump cover bolts to specified torque.NOTE: After installing pump cover (1), check to make sure that shaft can be turned by hand.
Tightening torque
Pump cover bolt (a): 28 N.m (2.8 kg-m, 20.0 lb-ft)
- Apply power steering fluid to O-ring of terminal switch.
- Install pressure switch (1) to pump body.
Tightening torque
Pressure switch (b): 28 N.m (2.8 kg-m, 20.0 lb-ft)
- Apply power steering fluid to relief valve (flow control valve).
- Install relief valve (flow control valve) to pump body.
- Install flow control spring.
- Apply power steering fluid to O-rings of plug.
- Install O-rings to plug.
- Tighten plug (1) to specified torque.
Tightening torque
Plug (c): 60 N.m (6.0 kg-m, 43.5 lb-ft)
- Apply power steering fluid to O-ring (2), and install O-ring to suction connector (1).
- Install suction connector (1) to pump body as shown in figure. Tighten suction connector bolt to specified torque.
Tightening torque
Suction connector bolt (d): 12 N.m (1.2 kg-m, 8.5 lb-ft)