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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical (Repair Instructions -- 2 Of 3) -- 4.8L, 5.3L & 6.0L) >> Repair Instructions (Off-Vehicle - Part 2) >> Crankshaft Balancer Cleaning and Inspection

Crankshaft Balancer Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.
  1. 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:
    • Worn, grooved, or damaged hub seal surface

      A crankshaft balancer hub seal surface with excessive scoring, grooves, rust or other damage must be replaced.

      Minor imperfections on the hub seal surface may be removed with polishing compound or fine grade emery cloth.

      • IMPORTANT: In order for the belt to track properly, the belt grooves should be free of all dirt or debris.
    • Dirty or damaged belt grooves

      The balancer belt grooves 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
    5. Fig 1: View Of Crankshaft Balancer
    GM260155Courtesy of GENERAL MOTORS CORP.
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