IMPORTANT: Do not remove the bellows unless
they are damaged and require replacement, or
there is evidence of a loose inner tie rod or
there is hydraulic fluid leak.
7. Use a clean rag to remove all dirt and debris
from the bellows. Check the bellows for holes or
tears. If any are found, replace the bellows.
8. Check for evidence of hydraulic fluid leakage
from the bellows. If hydraulic fluid is found to be
leaking from within the bellows, replace the
steering gear.
9. Check the input shaft for any leakage around the
input shaft seal cover. If there is evidence of
leakage from inside the cover, remove it and re-
place the input shaft seal. See Group 46 of the
Century Class Trucks Workshop Manual for in-
structions.
Check the steering system pressure and return
lines and fittings for leaks and damaged lines or
f462151
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17
12
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14
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6
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5
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9
9
4
4
3
3
18
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20
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23
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10
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15
16
07/24/2009
8
8
1. Steering Tie Rod Arm
2. Power Steering Fluid Lines
3. Large Bellows Clamp
4. Bellows
5. Small Bellows Clamp
6. Driver-Side Outer Tie Rod
7. Tie Rod Jam Nut
8. Inner Tie Rod Flat
9. Inner Tie Rod Ball Joint
10. Input Shaft Seal Cover
11. I-shaft Upper Yoke
12. I-shaft Lower Yoke Boot Clamp
13. I-shaft Lower Yoke Boot
14. I-shaft Lower End Yoke
15. Transfer Line Tube Fittings
16. Power Steering Fluid Line
Fittings
17. I-shaft Slip Joint
18. Transfer Lines
19. Rack and Pinion Gear
20. Pinch Bolt
21. Tie Rod Clamp
22. Tie Rod Clamp Nut
23. Passenger-Side Outer Tie Rod
Fig. 6, Rack and Pinion Steering System
Steering 46
Century Class Trucks Maintenance Manual, January 2016 46/5
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