Last Modified: 11-29-2007 1.6 A
Service Category: Steering Section: Power Assist Systems
Model Year: 2008 Model: Sequoia Doc ID: RM000002H5E00IX
Title: POWER ASSIST SYSTEMS: VANE PUMP (for 3UR-FE): DISASSEMBLY (2008 Sequoia)

DISASSEMBLY

1. FIX VANE PUMP ASSEMBLY


(a) Using SST, hold the vane pump in a vise.

SST: 09630-00014

09631-00132

2. REMOVE POWER STEERING SUCTION PORT UNION



(a) Remove the bolt and suction port union from the vane pump.

(b) Using a screwdriver, remove the O-ring from the suction port union.

3. REMOVE VANE PUMP REAR HOUSING


(a) Remove the 4 bolts and rear housing from the front housing.


(b) Using a screwdriver, remove the O-ring from the rear housing.

HINT:

Tape the screwdriver tip before use.

4. REMOVE VANE PUMP SHAFT SUB-ASSEMBLY WITH PULLEY


(a) Using 2 screwdrivers, remove the snap ring from the vane pump shaft.

(b) Remove the vane pump shaft sub-assembly with pulley.

NOTICE:

Be careful not to drop or damage the vane pump shaft sub-assembly with pulley. If it is damaged, replace the vane pump assembly.

5. REMOVE VANE PUMP ROTOR



(a) Remove the 10 vane plates.

NOTICE:

Take care not to drop the vane plate.

(b) Remove the vane pump rotor.

6. REMOVE VANE PUMP CAM RING



(a) Remove the cam ring from the front housing.

7. REMOVE VANE PUMP FRONT SIDE PLATE


(a) Remove the front side plate from the front housing.


(b) Using a screwdriver, remove the O-ring from the front side plate.

HINT:

Tape the screwdriver tip before use.


(c) Remove the O-ring from the front housing.

8. REMOVE VANE PUMP HOUSING OIL SEAL



(a) Using a screwdriver and piece of cloth, pry out the oil seal.

NOTICE:

Be careful not to damage the front housing.