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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 572 (Suspension System General Diagnosis) >> Diagnostic Information >> Poor Directional Stability

Poor Directional Stability

WARNING: This page is about a different car, the 2003 GMC Jimmy and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.

DEFINITION: Driver is unable to maintain consistent, predictable vehicle driving control in any direction.

  1. Did you review the General Description and perform the necessary inspections? If yes, go to next step. If no, go to SYMPTOMS - SUSPENSION GENERAL DIAGNOSIS .
  2. Verify that the directional stability is poor. Does the system operate normally? If yes, system is okay. If no, go to next step.
  3. Inspect the front stabilizer fasteners for looseness. Inspect for damaged stabilizer bar, stabilizer bushings, or damaged and missing stabilizer links. Did you find and correct the condition? If yes, go to step  10. If no, go to next step.
  4. Inspect control arms, ball joints, and tie rod ends for wear and damage. Did you find and correct the condition? If yes, go to step  10. If no, go to next step.
  5. Inspect the wheel bearing. Did you find and correct the condition? If yes, go to step  10. If no, go to next step.
  6. Inspect the vehicle trim height. See TRIM HEIGHT INSPECTION PROCEDURE . Did you find and correct the condition? If yes, go to step  10. If no, go to next step.
  7. Inspect the steering column for looseness. Did you find and correct the condition? If yes, go to step  10. If no, go to next step.
  8. Inspect the steering gear mounting bolts for looseness and pitman shaft over-center adjustment. Did you find and correct the condition? If yes, go to step  10. If no, go to next step.
  9. Inspect and adjust the wheel alignment as necessary. See WHEEL ALIGNMENT . Did you complete the alignment? Go to next step.
  10. Operate the vehicle in order to verify the repair. Did you correct the condition? If yes, system is okay. If no, go to step  3.