POWER ASSISTED SYSTEM (POWER STEERING) > Steering Gearbox [LHD Model]

DISASSEMBLY

1. RACK HOUSING ASSEMBLY

1. Disconnect the four pipes from gearbox.

NOTE:

Remove the pipes C and D, which are fixed to clamp plate, as a unit.

2. Secure the gearbox removed from vehicle in a vise using ST.

ST1    926200000 STAND
ST2    34199AG000 BOSS D

CAUTION:

Secure the gearbox in a vise using ST as shown in the figure. Do not secure the gearbox without this ST.

(1)

Clamp

3. Remove the tie-rod end and lock nut from gearbox.

4. Remove the small clip from the boot using pliers, and then move the boot to tie-rod end side.

(1)

Clip

5. Using a flat tip screwdriver, remove the band from boot.

NOTE:

Replace the boot if there is damage, cracks or deterioration.

(1)

Band

6. Using the ST, loosen the lock nut.

ST    926230000 SPANNER

(1)

Lock nut

7. Tighten the adjusting screw until it can no longer be tightened.

(1)

Adjusting screw

8. While securing the rack with a 22 mm wrench, remove the tie-rod using 32 mm (1.26 in) wrench or adjustable wrench.

9. Loosen the adjusting screw, and remove the spring and sleeve.

10. Remove the two bolts securing valve assembly.

11. Carefully draw out the input shaft and remove the valve assembly.

12. Flatten the lock nut tab using a drill.

CAUTION:

Make a hole of 2 mm (0.08 in) depth using a drill with 3 mm (0.12 in) diameter.

13. Remove the holder using a 36 mm spanner or adjustable wrench.

(1)

Holder

14. Attach the ST to the pinion housing side of the rack and push out the rack along with the outer side oil seal.

ST    34199FE000 INSTALLER & REMOVER

NOTE:

Plug the connecting section of the steering body pipe to prevent the fluid from flowing out.

(1)

Rack piston

(2)

Outer side oil seal

15. Insert the ST from pinion housing side and remove the oil seal using a press.

ST    34099PA010 OIL SEAL REMOVER

(1)

Press

(2)

Oil seal

16. Using a press, remove the bushing of gearbox installation portion.

2. CONTROL VALVE

1. Disconnect the pipes A and B from gearbox.

2. Secure the gearbox removed from vehicle in a vise using ST.

ST1    926200000 STAND
ST2    34199AG000 BOSS D

CAUTION:

Secure the gearbox in a vise using ST as shown in the figure. Do not secure the gearbox without this ST.

(1)

Clamp

3. Using the ST, loosen the lock nut.

ST    926230000 SPANNER

(1)

Lock nut

4. Tighten the adjusting screw until it can no longer be tightened.

(1)

Adjusting screw

5. Loosen the adjusting screw, and remove the spring and sleeve.

6. Remove the two bolts securing valve assembly.

7. Carefully draw out the input shaft and remove the valve assembly.

8. Put a vinyl tape around the spline portion, and slide the dust cover to remove.

(1)

Dust cover

9. Using a press, remove the pinion & valve assembly from valve housing.

(1)

Pinion & valve ASSY

(2)

Valve housing

(3)

Cloth

10. Using the ST and a press, remove the bushing and oil seal from the valve housing.

ST    34199AG090 INSTALLER & REMOVER

CAUTION:

• Do not apply a force to the end surface of valve housing.

• Do not reuse the oil seal after removal.

(1)

Oil seal

(2)

Bushing

11. Using a snap ring pliers, remove the snap ring, valve, oil seal and back-up washer.

CAUTION:

Be careful not to scratch the pinion and valve assembly.

(1)

Snap ring

(2)

Valve

(3)

Oil seal

(4)

Back-up ring