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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (Transfer Case - NVG 263-NP1 - Overhaul) >> Repair Instructions >> Cleaning and Inspection >> Drive Chain and Sprockets >> 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
    GM887084Courtesy of GENERAL MOTORS CORP.
  3. Inspect the front output shaft splines (2) for damage.
  4. Replace the front output shaft if any of the above conditions are found.
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