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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 569 (Suspension - General Diagnosis) >> Diagnostic Information And Procedures >> Poor Directional Stability

Poor Directional Stability

WARNING: This page is about a different car, the 2003 Saturn Vue. 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, see SYMPTOMS - SUSPENSION GENERAL DIAGNOSIS  .
  2. Verify that the directional stability is poor. Does the system operate normally? If yes, system is OK. If no, go to next step.
  3. Inspect the front stabilizer for the following conditions:
    • Stabilizer fasteners for looseness.
    • Damaged Stabilizer. Refer to STABILIZER SHAFT REPLACEMENT in FRONT SUSPENSION .
    • Worn or damaged stabilizer bushings. Refer to STABILIZER SHAFT INSULATOR REPLACEMENT in FRONT SUSPENSION .
    • Damaged or missing stabilizer links. Refer to STABILIZER SHAFT LINK REPLACEMENT in FRONT SUSPENSION .
    Did you find and correct the condition? If yes, go to step  10 . If no, go to next step.
  4. Inspect the following suspension and steering components for wear or damage:
    • Control Arms, refer to LOWER CONTROL ARM REPLACEMENT in FRONT SUSPENSION .
    • Ball Joints, refer to BALL JOINT INSPECTION  .
    • Outer tie rod ends. Did you find and correct the condition? If yes, go to step  10 . If no, go to next step.
  5. Inspect the wheel bearing. Refer to WHEEL BEARINGS DIAGNOSIS  . 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. Refer to 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. 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. Did you complete the alignment? If yes, go to next step.
  10. Operate the vehicle in order to verify the repair. Did you correct the condition? If yes, system is OK. If no, go back to step  3 .
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