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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Transfer Case - BW 4473-NP3) >> Repair Instructions - Off Vehicle >> Cleaning and Inspection >> Rear Output Shaft

Rear Output Shaft

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Rear Output Shaft Inspection Areas
    GM823248Courtesy of GENERAL MOTORS CORP.
  1. Clean the rear output shaft with the input shaft rear support bearing and the rear output shaft bearing in cleaning solvent.
  2. Air dry and ensure all solvent is removed from the bearings.
  3. Inspect the speed reluctor wheel (1) for damage.
  4. Replace the speed reluctor wheel if faulty. Refer to Transfer Case Disassemble  and Transfer Case Assemble .
  5. Inspect the rear output shaft bearing (2) for the following conditions:
    • Scoring
    • Pitting
    • Brinelling
    • Excessive wear
  6. Replace the rear output shaft bearing (2) if it is faulty. Refer to Transfer Case Disassemble  and Transfer Case Assemble .
  7. Inspect the input shaft rear support bearing (3) for the following conditions:
    • Scoring
    • Pitting
    • Brinelling
    • Excessive wear
  8. Replace the input shaft rear support bearing (3) if any of the above conditions are found. Refer to Transfer Case Disassemble  and Transfer Case Assemble .
  9. Inspect the rear output shaft splines (4) for wear or damage.
  10. Inspect the rear output shaft bearing area for a spun bearing.
  11. Replace the rear output shaft if any of the above conditions are found.