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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 4.6L (4 Of 5)) >> Off-Vehicle Repair Instructions (2 Of 3) >> Crankshaft Balancer Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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    Fig 1: Identifying Hub-to-crankshaft
    GM578615Courtesy of GENERAL MOTORS CORP.
  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.
    • Bent, damaged or missing crankshaft front oil seal shield (3)
    • Worn, chunking, or deteriorated rubber between the hub and pulley (4)
    • Damaged drive belt ribs (5)
  2. Repair or replace the crankshaft balancer as necessary.