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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Engine Mechanical - 3.6L (LGX LF4) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Crankshaft Balancer Cleaning and Inspection (LF4) >> Inspection Procedure

Inspection Procedure

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    Fig 1: Crankshaft Balancer Inspection Points
    GM3407859Courtesy of GENERAL MOTORS COMPANY
  1. Inspect the crankshaft balancer for the following:
    • Worn or damaged hub-to-crankshaft surface (1)
    • Worn, grooved or damaged hub seal surface (2)

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

    • Worn, chunking or deteriorated rubber between the hub and pulley (3)
    • Damaged drive belt ribs (4)
    • Damaged webs (5)
  2. Repair or replace the crankshaft balancer as necessary.