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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1344 (Tires And Wheels) >> Diagnostic Information and Procedures >> Tire Diagnosis - Irregular or Premature Wear >> Inspection Procedure

Inspection Procedure

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  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).