Center Links
| Condition | Code | Procedure |
|---|---|---|
| Attaching hardware broken | A | Require repair or replacement of hardware |
| Attaching hardware missing | C | Require replacement of hardware |
| Attaching hardware not functioning | A | Require repair or replacement of hardware |
| Attaching hardware threads damaged | A | Require repair or replacement of hardware |
| Attaching hardware threads stripped (threads missing) | A | Require replacement of hardware |
| Bent, affecting performance | B | Require replacement |
| Binding | A | Further inspection required |
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NOTE:
If greaseable, grease joint. If problem persists or joint is non-greaseable, require replacement.
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| Grease boot cracked | 2 | Require replacement of boot |
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NOTE:
If boot is not available as a separate component, suggest replacement of center link (reason code 2). Cracked grease boot will allow contaminants to enter the joint and will accelerate wear.
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| Grease boot missing | C | Require replacement of boot |
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NOTE:
If boot is not available as a separate component, suggest replacement of center link (reason code 2). Lack of grease boot will allow contaminants to enter the joint and will accelerate wear
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| Grease boot torn | A | Require replacement of boot |
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NOTE:
If boot is not available as a separate component, suggest replacement of center link (reason code 2). Torn grease boot will allow contaminants to enter the joint and will accelerate wear .
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| Grease fitting broken | A | Require replacement of grease fitting |
| Grease fitting missing | C | Require replacement of grease fitting |
| Grease fitting won't seal | A | Require replacement of grease fitting |
| Grease seal missing | C | Require replacement |
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NOTE:
If seal is not available as a separate component, suggest replacement of center link (reason code 2). Lack of grease seal will allow contaminants to enter the joint and will accelerate wear.
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| Grease seal torn | A | Require replacement |
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NOTE:
If seal is not available as a separate component, suggest replacement of center link (reason code 2). Torn grease seal will allow contaminants to enter the joint and will accelerate wear.
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| Greaseable center link will not take grease | 2 | Suggest replacement of grease fitting |
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NOTE:
If greaseable center link still will not take grease after replacing the grease fitting, suggest replacement of center link.
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| Looseness (perceptible horizontal movement) | 1 | Suggest replacement |
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NOTE:
If manufacturer's procedures for inspection exist, use those procedures; otherwise, use an approved inspection method such as the dry park check. Do not use pliers or pry bar to check ball and socket movement. Use only moderate hand pressure.
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| Looseness that is excessive | B | Require replacement |
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NOTE:
Excessive looseness is defined as being significant enough to affect vehicle handling or structural integrity. If manufacturer's procedures for inspection exist, use those procedures; otherwise, use an approved inspection method such as the dry park check.
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CAUTION:
Do not use pliers or pry bar to check ball and socket movement. Use only moderate hand pressure.
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| Seized | A | Require replacement |
| Stud bent | B | Require replacement |
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NOTE:
Check for damaged taper hole.
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| Stud broken | A | Require replacement |
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NOTE:
Check for damaged taper hole.
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| Stud loose in taper hole | A | Require repair or replacement |
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NOTE:
Check for damaged taper hole.
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| Taper hole elongated | A | Require replacement |
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NOTE:
Check for damaged stud.
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| Threads damaged | A | Require repair or replacement |
| Threads stripped (threads missing) | A | Require replacement |
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NOTE:
Check for damaged taper hole.
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| Wear exceeds manufacturer's specifications | B | Require replacement |