Cause
| Correction
|
DEFINITION: A shudder, binding, or a crop-hop while turning, which may cause tire scuffing.
Review the
Symptoms - Transfer Case
and perform the necessary inspections.
|
Planetary differential
|
- Inspect the planetary differential pinion gears for the following conditions:
• | Chipped, bent or deformed teeth |
• | Pinion gear bushings worn |
• | Pinion gear thrust washers missing |
• | Seized or binding pinion gears |
- Inspect the planetary differential for deformation. Refer to
Transfer Case Cleaning and Inspection
in Transfer Case - BW 4476/79 Unit Repair.
- Replace the planetary differential assembly if faulty. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - BW 4476/79 Unit
Repair.
|
Thrust washer
|
- Inspect the thrust washer for seizure to the planetary differential.
- Replace the thrust washer if faulty and the mating component if damaged. Refer to
Transfer Case Disassemble
and
Transfer Case Assemble
in Transfer Case - BW 4476/79
Unit Repair.
|
Planetary differential not timed properly
|
- Inspect the planetary differential for being timed properly. Refer to
Transfer Case Assemble
in Transfer Case - BW 4476/79 Unit Repair.
- Properly time the planetary differential gears. Refer to
Transfer Case Assemble
in Transfer Case - BW 4476/79 Unit Repair.
|