Assembly Of Power Steering Pump

1. INSTALL SPRING AND FLOW CONTROL VALVE

NOTE: Be sure the letter inscribed on the flow control valve matches the letter stamped on the rear of the pump body.

2. INSTALL PRESSURE PORT UNION

Install and torque the union. Torque: 700 kg-cm (51 ft-lb, 69 N m)

3. INSTALL FLOW CONTROL SPRING SEAT

(a) Temporarily install a suitable bolt to the spring seat.

(b) Push in the bolt and install the snap ring with snap ring pliers.

(c) Remove the suitable bolt.

4. INSTALL ROTOR SHAFT TO FRONT HOUSING

Install the rotor shaft into the front housing by tapping it in with a plastic hammer.

5. INSTALL SNAP RING

Using snap ring pliers, install the snap ring to the front housing.

6. INSTALL OIL SEAL

(a) Apply a light coat of MP grease to a new oil seal lip.

(b) Using SST and a hammer, install the oil seal. SST 09608 30012 (09608 04030)

Power Steering Pump Cam Ring

7. INSTALL O-RING

8. INSTALL STRAIGHT PINS

9. INSTALL CAM RING

Align the fluid passages of the cam ring and front housing, and install the cam ring.

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10. INSTALL ROTOR

Install the rotor with the chamfered end facing toward the front.

NOTE: Be sure the letters inscribed on the cam ring and rotor are matching.

11. INSTALL VANE PLATES

Install the vane plates with the round end facing outward.

Power Steering Vane PlatePower Steering Pump Cam Ring

12. INSTALL REAR PLATE AND SPRING

(a) Place the rear plate on the cam ring with the pin holes aligned with the pins.

(b) Place the spring on the rear plate.

13. INSTALL REAR HOUSING

(a) Align the marks on the front and rear housing, and assemble them.

(b) Install the reservoir tank in place and tighten the reservoir tank set bolts.

(c) Finger tighten the front and rear housing mounting bolts.

Tacoma Steering Pump Reservoir Desenho Prova

14. TIGHTEN FOUR HOUSING BOLTS

(a) Clamp the rear housing in a vise. CAUTION: Do not tighten the vise too tight.

(b) Tighten the four housing bolts evenly in 3 or 4 passes. Torque: 475 kg-cm (34 ft-lb, 47 Nm)

15. INSTALL RESERVOIR TANK

Install and torque the bolts. Torque: 130 kg-cm (9 ft-lb, 13 N m)

16. CHECK ROTOR SHAFT ROTATION CONDITION

(a) Check that the rotor shaft rotates smoothly without abnormal noise.

(b) Provisionally install the pulley nut and check the rotating torque.

Rotating torque: Less than 2.8 kg-cm (2.4 in.-lb, 0.3 Nm)

17. INSTALL AIR CONTROL VALVE Torque: 370 k*cm (27 ft-lb, 36 N-m)

Part 1991 4runner Steering Pump

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