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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 156 (Transfer Case - BW 4485-Nr3 AWD) >> Diagnostic Information and Procedures >> Transfer Case Shudder or Binding

Transfer Case Shudder or Binding

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Transfer Case Shudder or Binding

Cause Correction
DEFINITION: A shudder, binding, or a crow-hop while turning, which may cause tire scuffing.
Review the Symptoms - Transfer Case  and perform the necessary inspections.
Planetary differential
  1. 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

      Refer to Cleaning and Inspection  .

  2. Inspect the planetary differential for deformation. Refer to Cleaning and Inspection .
  3. Replace the planetary differential assembly if faulty. Refer to Transfer Case Disassemble  and Transfer Case Assemble .
Thrust washer
  1. Inspect the thrust washer for seizure to the planetary differential.
  2. Replace the thrust washer if faulty and the mating component if damaged. Refer to Transfer Case Disassemble  and Transfer Case Assemble .
Planetary differential not timed properly
  1. Inspect the planetary differential for being timed properly. Refer to Transfer Case Assemble .
  2. Properly time the planetary differential gears. Refer to Transfer Case Assemble .