Power Steering Vane Pump: Disassembly

1. Check that the pump rotates smoothly without abnormal noise.
2. Using a torque wrench, check the pump rotating torque.
   1. Rotating torque: 0.3 N.m (2.8 kgf.cm, 2.4 in.lbf) or less 
   Fig 1: Measuring PS Vane Pump Rotating Torque

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Using SST, stop the pulley rotating and loosen the nut.
2. Remove the nut and vane pump pulley from the vane pump shaft.
   1. SST 09960-10010 (09962-01000, 09963-01000)
Fig 2: Using SST, Stop The Pulley Rotating And Loosen Nut
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Remove the 3 bolts, front and rear brackets.

1. Remove the bolt and suction port union.
2. Remove the O-ring from the suction port union.

1. Remove the pressure port union, flow control valve and spring.
2. Remove the O-ring from the pressure port union.

1. Remove the 4 bolts and rear housing.
2. Remove the 2 O-rings from the rear housing.

1. Remove the cam ring and 10 vane plates.
   NOTE: Take care not to drop the plate.
2. Using a screwdriver, remove the snap ring and vane pump rotor from the vane pump shaft.

Remove the 2 straight pins from the front housing.