Vane Pump: Disassembly

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

FIX VANE PUMP ASSEMBLY
1. Using SST, hold the vane assembly in a vise.
  SST 09630-00014 (09631-00132)
  
  Fig 1: Holding Vane Assembly In Vise Using SST
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK VANE PUMP ROTATING TORQUE
1. Check that the pump rotates smoothly without abnormal noise.
2. Temporarily install the bolt to the shaft.
3. Using a torque wrench, measure the pump rotating torque.
  Standard rotating torque: 0.3 N*m (2.8 kgf*cm, 2.4 in.*lbf) or less
REMOVE POWER STEERING SUCTION PORT UNION
1. Remove the bolt.
2. Remove the O-ring from the union.
  
  Fig 2: Measuring Pump Rotating Torque Using Torque Wrench
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE FLOW CONTROL VALVE
1. Using a 27 mm socket wrench, remove the pressure port union from the front housing.
2. Using a screwdriver, remove the O-ring from the pressure port union.
3. Remove the flow control valve from the housing front.
4. Remove the compression spring from the front housing.
  
  Fig 3: Removing Flow Control Valve From Housing Front
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE REAR HOUSING
1. Loosen the 4 bolts.
2. Remove the vane pump assembly from the SST.
3. Remove the 4 bolts and rear housing.
4. Remove the gasket from the housing.
REMOVE CAM RING, 10 VANE PLATES AND VANE PUMP ROTOR
1. Using a screwdriver, remove the snap ring from the vane pump shaft.
  NOTE: Be careful not to drop the plate.
REMOVE SIDE PLATE
REMOVE VANE PUMP SHAFT WITH PUMP PULLEY

Fig 4: Removing Snap Ring From Vane Pump Shaft Using Screwdriver
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002