CAUTION / NOTICE / HINT
Note
When using a vise, place aluminum plates between the part and vise.
When using a vise, do not overtighten it.
PROCEDURE
INSTALL VANE PUMP HOUSING OIL SEAL
Using SST and a press, press in a new vane pump housing oil seal.
Note
Make sure to install the vane pump housing oil seal so that it faces the correct direction.
Be careful not to damage the vane pump housing oil seal.
Coat the lip of vane pump housing oil seal with MP grease.
INSTALL SHAFT WITH PULLEY
| *a | power steering fluid |
Coat the inside surface of the bushing in the front housing with power steering fluid.
Install the shaft with pulley to the front housing.
Note
Wrap protective tape around the spline of the vane pump shaft with vane pump pulley in order to prevent damage to the oil seal.
Be careful not to damage the vane pump housing oil seal.
INSTALL FRONT VANE PUMP SIDE PLATE
|
Power Steering Fluid |
Coat a new O-ring with power steering fluid and install it to the front housing.
|
Power Steering Fluid |
|
Install in this Direction |
Coat a new O-ring with power steering fluid and install it to the front vane pump side plate.
Install the front vane pump side plate to the front housing while aligning the semicircle-shaped cuts of both parts.
Note
Be sure to install the front vane pump side plate in the correct position and with the correct orientation.
INSTALL VANE PUMP CAM RING
| *a | Inscribed Mark |
With the inscribed mark facing upward, install the vane pump cam ring to the front housing while aligning the semicircle-shaped cuts of both parts.
Note
Be sure to install the vane pump cam ring in the correct position and with the correct orientation.
INSTALL VANE PUMP ROTOR
| *1 | Inscribed Mark |
| *a | Round End |
Install the vane pump rotor with the inscribed mark facing outward.
Coat the 10 vane plates with power steering fluid.
Install the vane pump rotor with the round ends facing outward.
INSTALL VANE PUMP SHAFT SNAP RING
Using a snap ring expander, install a new snap ring onto the pulley shaft.
INSTALL REAR HOUSING
Coat the vane pump rear housing of the shaft sub-assembly with pulley and the surrounding surface with power steering fluid.
Coat a new O-ring with power steering fluid and install it to the rear housing.
Align the straight pin of the rear housing with the dent of the cam ring, side plate and front housing.
Note
Make sure that the O-ring is not out of position before installing the rear housing.
Install the rear housing with the 4 bolts.
INSPECT ROTATING TORQUE
| *a | Service Bolt |
Check that the vane pump assembly rotates smoothly without abnormal noise.
Provisionally install the service bolt.
| Recommended Service Bolt | ||||||||
|---|---|---|---|---|---|---|---|---|
|
Using a torque wrench, check the pump rotating torque.
| Standard rotating torque |
|---|
| 0.27 N*m (3 kgf*cm, 2 in.*lbf) or less |
If the rotating torque is not as specified, check the installation of the housing oil seal.
INSTALL POWER STEERING SUCTION PORT UNION
Coat a new O-ring with power steering fluid, and install it onto the suction port union.
Install the suction port union with the bolt.
INSTALL FLOW CONTROL VALVE
Coat the flow control valve compression spring and flow control valve with power steering fluid.
Install the flow control valve compression spring.
Install the flow control valve so that it faces the correct direction.
Coat a new O-ring with power steering fluid and install it to the pressure port union.
Install the pressure port union.