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Home >> Chevrolet >> 2021 >> Suburban Z71 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (9 Of 11) >> Repair Instructions >> Engine Front Cover Replacement (L87 with WTX) >> Cleaning and Inspection Procedure - Conditional

Cleaning and Inspection Procedure - Conditional

NOTE:

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

Crankshaft Balancer

  1. GM5035043Courtesy of GENERAL MOTORS COMPANY

    Clean the crankshaft balancer (1) in solvent.

  2. Clean the belt grooves of all dirt or debris with a wire brush.
  3. Dry the crankshaft balancer (1) with compressed air.
  4. Inspect the crankshaft balancer (1) for the following conditions:
    1. Worn, grooved, or damaged hub seal surface
    2. A crankshaft balancer (1) hub seal surface with excessive scoring, grooves, rust or other damage must be replaced.
    3. Minor imperfections on the crankshaft balancer (1) hub seal surface may be removed with polishing compound or fine grade emery cloth.
      4. NOTE:

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

    4. Dirty or damaged belt grooves:

      The crankshaft balancer (1) belt grooves should be free of any nicks, gouges, or other damage that may not allow the belt to track properly.

    5. Minor imperfections may be removed with a fine file.
    6. Worn, chunking, or deteriorated rubber between the hub and pulley.
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