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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Engine Mechanical) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Crankshaft Balancer Cleaning and Inspection

Crankshaft Balancer Cleaning and Inspection

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Crankshaft Balancer
    GM260155Courtesy of GENERAL MOTORS CORP.
  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 conditions:
    • 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