Power Steering Vane Pump: Reassembly

1. Install a new O-ring to the front housing.
2. Install a new O-ring to side plate.
3. Install the side plate as shown in Fig 1 .

HINT:

Align the hole of the side plate with the hole of the front housing.

Fig 1: Installing Side Plate

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Install the ring with the inscribed mark facing outward.

HINT:

Align the hole of the cam ring with the hole of the front housing.

Fig 2: Installing Cam Ring

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Install the rotor with the inscribed mark facing outward.
2. Install a new snap ring to the vane pump shaft.

Install the plates with the round end facing outward.

1. Coat new gasket with power steering fluid and install it to the housing.
2. Temporarily install the 4 bolts.
3. Using SST, hold the vane pump assembly in a vise.
4. Torque the 4 bolts.
   1. Torque: 22 N.m (225 kgf.cm, 16 ft.lbf) 

1. Install the valve facing the correct direction (See COMPONENTS ).
2. Coat a new O-ring with power steering fluid and install it to the union.
3. Torque the union.
   1. Torque: 69 N.m (700 kgf.cm, 51 ft.lbf) 

1. Coat a new O-ring with power steering fluid and install it to the union.
2. Torque the bolt.
   1. Torque: 12 N.m (120 kgf.cm, 9 ft.lbf)