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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 54 (Transfer Case - NVG 261-NP2 - Overhaul) >> Repair Instructions >> Cleaning and Inspection >> Rear Output Shaft

Rear Output Shaft

WARNING: This page is about a different variant/trim than selected.
  1. Clean the rear output shaft in cleaning solvent.
  2. Clean the rear output shaft oil galleries (2) and air dry.
    Fig 1: Identifying Inspection Areas On Rear Output Shaft
    GM812467Courtesy of GENERAL MOTORS CORP.
  3. IMPORTANT: Do not attempt to smooth any roughness in the bearing journals.
  4. Inspect the input gear pilot bearing surface (1) and the drive gear sleeve journal surface (4) for the following conditions:
    • Scoring
    • Pitting
    • Brinelling
    • Excessive wear
  5. Inspect the rear output shaft splines (3) for damage or excessive wear. Witness marks at the location of the gears is normal.
  6. Replace the rear output shaft if any of the above conditions are found.