Toyota Tundra Service Manual: Reassembly

REASSEMBLY

CAUTION / NOTICE / HINT

NOTICE:

When installing parts, coat the parts indicated by arrows with power steering fluid (see page ).

PROCEDURE

1. INSTALL VANE PUMP HOUSING OIL SEAL

(a) Coat the lip of a new oil seal with power steering fluid.

(b) Using SST and a press, press in the oil seal.

SST: 09950-60010

09951-00280

SST: 09950-70010

09951-07100

NOTICE:

Make sure that the oil seal is installed facing in the correct direction as shown in the illustration.

2. INSTALL VANE PUMP SHAFT WITH VANE PUMP PULLEY

(a) Coat the inside surface of the bushing in the vane pump front housing with power steering fluid.

(b) Gradually insert the vane pump shaft with vane pump pulley.

NOTICE:

  • Do not damage the lip of the oil seal in the front housing.
  • Wrap protective tape around the spline of the vane pump shaft with vane pump pulley in order to prevent damage to the oil seal.

3. INSTALL VANE PUMP FRONT SIDE PLATE

(a) Coat a new O-ring with power steering fluid and install it into the front housing.

(b) Coat a new O-ring with power steering fluid and install it onto the front side plate.

(c) Align the notch of the front side plate with the notch of the front housing, and install the front side plate.

NOTICE:

Make sure that the front side plate is installed facing in the correct direction.

4. INSTALL VANE PUMP CAM RING

(a) Align the notch of the cam ring with the notch of the front side plate, and install the cam ring with the inscribed mark facing upward.

NOTICE:

Make sure that the cam ring is installed facing in the correct direction.

5. INSTALL VANE PUMP ROTOR

(a) Install the vane pump rotor.

HINT:

The vane pump rotor can be installed in both directions.

(b) Coat the 10 vane pump plates with power steering fluid.

(c) Install the vane pump plates with the round end facing outward.

NOTICE:

Make sure that the vane pump plates are installed facing in the correct direction.

6. INSTALL VANE PUMP SHAFT SNAP RING

(a) Using a screwdriver and snap ring expander, install a new shaft snap ring onto the vane pump shaft.

7. INSTALL VANE PUMP REAR HOUSING

(a) Coat a new O-ring with power steering fluid and install it onto the rear housing.

(b) Align the straight pin of the rear housing with the notches of the cam ring, front side plate, and front housing.

(c) Install the rear housing with the 4 bolts.

Torque:

22 N·m {224 kgf·cm, 16 ft·lbf}

8. INSPECT TOTAL PRELOAD

9. INSTALL FLOW CONTROL VALVE ASSEMBLY

(a) Coat the flow control valve with power steering fluid.

(b) Install the compression spring and flow control valve to the front housing.

(c) Coat a new O-ring with power steering fluid and install it onto the pressure port union.

(d) Install the pressure port union to the front housing.

Torque:

69 N·m {704 kgf·cm, 51 ft·lbf}

10. INSTALL POWER STEERING SUCTION PORT UNION

(a) Coat a new O-ring with power steering fluid and install it to the suction port union.

(b) Install the suction port union to the vane pump with the bolt.

Torque:

12 N·m {122 kgf·cm, 9 ft·lbf}

    Installation

    Removal

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