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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1042 (Tires And Wheels) >> Diagnostic Information and Procedures >> Tire Diagnosis - Irregular or Premature Wear >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the front tire wear.
  2. Inspect the rear tire wear.
  3. Rotate the tires if any of the following conditions exist:
    • The amount of time or mileage since the last tire rotation matches the maintenance schedule.
    • The outer tread blocks are worn more than the middle tread blocks (1).
    • The outer tread blocks are worn more than the inner tread blocks (2).
    • The middle tread blocks are worn more than the outer tread blocks (4).
  4. Measure the wheel alignment if any of the following conditions exist:
    • The tread blocks have feathered edges (3).
    • The outer tread blocks are worn more than the inner tread blocks (2).
    • The inner tread blocks are worn more than the outer tread blocks (2).
  5. Inspect the struts or the shock absorbers if the tire tread exhibits a cupped appearance (3).
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