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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 52 (Transfer Case - NVG 149-NP3 - Overhaul) >> Repair Instructions >> Cleaning and Inspection >> Front Output Shaft

Front Output Shaft

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  1. Clean the front output shaft in cleaning solvent and air dry.
  2. Inspect the front output shaft rear bearing race (1) for the following conditions:
    • Scoring
    • Pitting
    • Brinelling
    • Excessive wear
      • Fig 1: Identifying Front Output Shaft Inspection Areas
      GM805646Courtesy of GENERAL MOTORS CORP.
  3. Inspect the front output shaft splines (2) for damage.
  4. Replace the front output shaft if it is damaged.
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