Steering Gear: Service and Repair
P/S Gear Box Removal and Installation
NOTE: Component enclosed in broken line cannot be disassembled and adjusted.
Removal
1. Take out fluid in P/S fluid reservoir with syringe or such.
2. After removing joint cover, loosen steering shaft upper joint bolt (1) (but it must not be removed) and remove lower joint bolt (2).
CAUTION: Be sure to set front wheels (tires) in straight direction and remove ignition key from key cylinder before the following steps, otherwise contact coil of airbag system may get damaged.
3. With front wheels in straight-ahead position, separate pinion and lower joint.
4. Hoist vehicle and remove both right and left front wheels.
5. Remove split pin (3) and then remove tie rod castle nut (2) from steering knuckle (1).
6. Using special tool, remove tie rod end (2) from knuckle (1).
Special tool
(A): 09913-65210
7. Remove exhaust pipe No.2.
8. Remove engine rear mounting (1) together with its bracket (2) from engine and member, and remove engine mounting member (3).
9. Remove cylinder pipes (3) and (4) from steering gear box, using flare nut wrench.
NOTE: As fluid flows out of disconnected joints, put a receptacle under joints or a plug to pipe.
10. Disconnect high pressure pipe (1) and low pressure hose (2) from steering gear box, using flare nut wrench.
NOTE: As fluid flows out of disconnected joints, have a container under joints or a plug to pipe.
11. Remove steering gear box mounting bolts and then remove steering gear box from vehicle.
Installation
Reverse removal procedure for installation of steering gear box noting the following points.
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 follows.
Tightening torque
Gear box mounting bolts (a): 55 Nm (5.5 kgf-m, 40.0 ft. lbs.)
Gear box cylinder pipe flare nuts (b): 25 Nm (2.5 kgf-m, 18.0 ft. lbs.)
Gear box high and low pressure pipe flare nuts (c): 35 Nm (3.5 kgf-m, 25.0 ft. lbs.)
Castle nuts (d): 35 - 55 Nm (3.5 - 5.5 kgf-m, 25.5 - 39.5 ft. lbs.)
Steering shaft upper and lower joint bolts (e): 25 Nm (2.5 kgf-m, 18.0 ft. lbs.)
^ For installing each part, refer to respective procedures as indicated in the following.
^ After installation, be sure to fill specified power steering fluid and bleed air.
^ Check toe setting. Adjust as required.