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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 >> Annulus Gear

Annulus Gear

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    Fig 1: View Of Annulus Gear
    GM823254Courtesy of GENERAL MOTORS CORP.
  1. Clean the annulus gear in cleaning solvent and air dry.
  2. Inspect the annulus gear for the following conditions:
    • Chipped teeth
    • Damage or excessive wear

      Witness marks are normal.

    • Debris embedded in the root of the teeth
  3. Replace the annulus gear if any of the above conditions are found.
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