Valve Shaft Seals and Upper Bearing

GENERAL INFORMATION

Valve Shaft Seals and Upper Bearing A. BEARING IS PRESSED INTO THE BUSHING. DISASSEMBLE THE JOINT ONLY IF BEARING REPLACEMENT IS REQUIRED.

4. SNAP RING.

5. PINION SHAFT DUST SEAL.

6. PINION SHAFT INNER SEAL.

7. BEARING IN BUSHING.

21. NUT.

24. CAP

Remove or disconnect:

PROCEDURE.

1. Steering gear assembly. See figure. Rack and pinion steering gear with hydraulic power assist..

2. Remove locknut 16 from the plug

17..

3. Remove plug 17 from the housing

55..

4. Remove spring 18 and plunger 14 with O-ring 15 from the housing..

5. Remove snap ring 4 from the housing groove

55..

6. Remove cap 24 from the housing

55..

7. Holding the shaft stationary, unscrew nut 21 from the pinion shaft. Warning.

Unscrewing nut 21 without holding the pinion shaft may cause damage.

steering gear pinion teeth. Using a press, push on the threaded

end of the pinion shaft and press the shaft journal out of bearing 22..

Complete removal of the pinion shaft assembly with the valve assembly is not

required.

8. Remove dust seal 5, inner seal 6 and bearing 7 from the housing

55..

Installation

PROCEDURE.

1. Install valve assembly 10 into the housing

55..

2. Holding the valve end, install nut 21 onto the pinion shaft..

Warning.

Hold the valve end stationary and tighten the nut.

21 to 30 N·m. Tightening nut 21 without holding the pinion shaft may cause damage to the steering gear pinion teeth..

3. Install cap 24 into the housing

55..

4. Install upper bearing 7 onto the valve end and into the housing bore

55..

5. Install protective cap J-34614 onto the valve end..

6. Install seal 6 and dust seal 5 over the protective cap into the housing

55..

7. Install snap ring 4 into the housing groove

55..

8. Lubricate plunger 14, O-ring 15, spring 18 and adjusting plug

17..

9. Install plunger 14 with O-ring 15, spring 18 and adjusting plug 17 into the housing

55..

10. With the rack in the center position, turn clockwise

adjusting plug 17 until it bottoms against the housing. Then back off the plug 30–40

degrees. Check the steering gear shaft friction torque..

Maximum friction torque from the spring preload

of the plunger must not exceed 1.8 N·m..

11. Install locknut 16 onto the plug

17. Holding the plug, tighten the locknut to 70 N·m..

12. Install the steering gear assembly on the vehicle.