1078-011
UnclassifiedGeneral
What This Code Means
Damaged or worn seal ring; Dirt, fouling, damage, or wear on the active end of the plunger; Plunger distance 'A' less than 18.3 mm (0.72 inch)
Possible Causes
- •Damaged or worn seal ring
- •Dirt, fouling, damage, or wear on the active end of the plunger
- •Dirt, fouling, damage, or wear on the plunger
- •Internal part wear or damage in the vibration damper
- •Plunger distance 'A' is less than 18.3 mm (0.72 inch)
- •Plunger wear, damage, dirt, or fouling
- •Plunger wear, fouling, or physical damage
- •Seal ring damage or wear
- •Wear or damage to internal parts of vibration damper
Suggested Actions
- 1Apply 9S-3263 or 9S-4030 thread lock compound to plug threads (requires 1-hour cure time)
- 2Apply 9S-3263 thread lock or 9S-4030 thread lock onto plug threads and reassemble
- 3Apply 9S-3263 thread lock or 9S-4030 thread lock onto plug threads, screw assembly into damper body, and allow thread lock to cure for a minimum of 1 hour
- 4Clean components using 138-8440 component cleaner
- 5Clean components with 138-8440 component cleaner
- 6Clean internal components with 138-8440 component cleaner
- 7Clean the components with 138-8440 component cleaner
- 8Replace the plunger
- 9Replace the seal ring
Related Caterpillar Fault Codes
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