P/S Gear Box Assembly Removal and Installation

P/S Gear Box Assembly Removal and Installation

Removal
1. Take out fluid in P/S fluid reservoir with syringe or such.
2. Disconnect high pressure pipe (1) from steering gear box by removing union bolt (2).

NOTE: As fluid flows out of disconnected joints, put a receptacle under joints or a plug to pipe.

3. Disconnect low pressure hose (3) from steering gear box by removing clamp (5).

NOTE: As fluid flows out of disconnected joints, put a receptacle under joints or a plug to hose.





4. Remove steering lower shaft bolt (4).
5. Hoist vehicle and remove both right and left wheels.
6. Disconnect both right and left tie-rod ends from knuckle, refer to Steps 2 to 3 of "Removal" in Tie-Rod End Removal and Installation.





7. Remove steering gear box mounting bolts (1) and then remove steering gear box from vehicle. Steering gear box found to be in defective condition should be replaced with a new one.

CAUTION: Never disassemble P/S gear box. Disassembling will affect original performance of P/S gear box.


Installation





Reverse removal procedure for installation of steering gear box, noting the following points.
^ After confirming that front tire is in straight position, install steering gear box to body temporarily. Next, with tie-rod end installed to knuckle, set rack in position close to neutral. Then obtain the neutral state by aligning match marks (1) on pinion shaft (3) and steering gear case (2) and insert steering lower joint into pinion shaft.

CAUTION: Be sure to confirm that steering wheel and front tires (wheels) are in straight position when inserting steering lower joint into steering pinion shaft.

^ If a plug was put to disconnected pipe when removing steering gear box, remove that plug before reconnecting pipe.
^ Use specified torque as given below.





Tightening torque
Steering lower shaft bolt a: 25 Nm (2.5 kg-m, 18.5 ft. lbs.)
Gear box high pressure pipe union bolt b: 35 Nm (3.5 kg-m, 25.5 ft. lbs.)
Gear box cylinder pipe flare nut c: 25 Nm (2.5 kg-m, 18.0 ft. lbs.)
Gear box mounting bolt d: 55 Nm (5.5 kg-m, 40.0 ft. lbs.)
Gear box low pressure pipe union bolt e: 40 Nm (4.0 kg-m, 29.0 ft. lbs.)

^ After installation, be sure to fill specified power steering fluid and bleed air.
^ Check toe setting. Adjust as required. Refer to Front Alignment Inspection and Adjustment.