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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 5 Of 12) >> Repair Instructions >> Crankshaft Balancer Replacement (with RC1) >> Cleaning and Inspection Procedure

Cleaning and Inspection Procedure

  1. GM5584619Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Perform the following cleaning and inspection or overhaul steps, as necessary. ONLY perform steps when components are removed with the intention of reinstallation.

    Clean the crankshaft balancer in solvent.

  2. Clean the belt grooves of all dirt or debris with a wire brush.
  3. Dry the crankshaft balancer with compressed air.
  4. Inspect the crankshaft balancer for the following conditions:
    • Worn, grooved, or damaged hub seal surface
    • A crankshaft balancer hub seal surface (2) with excessive scoring, grooves, rust or other damage must be replaced.
    • Minor imperfections on the hub seal surface (2) may be removed with polishing compound or fine grade emery cloth.
      • NOTE:

      In order for the belt to track properly, the belt grooves should be free of all dirt or debris.

    • Dirty or damaged belt grooves (1)
    • The balancer belt grooves (1) should be free of any nicks, gouges, or other damage that may not allow the belt to track properly.
    • Minor imperfections may be removed with a fine file.
    • Worn, chunking, or deteriorated rubber between the hub and pulley.
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