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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 570 (Suspension - General Diagnosis) >> Diagnostic Information >> Struts Or Shock Absorbers On-Vehicle Testing

Struts Or Shock Absorbers On-Vehicle Testing

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  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 malfunction is present. Does the vehicle operate normally? If yes, system is okay. If no, go to next step.
    3. NOTE: A light film of oil on the top portion of the shock reservoir is normal.
  3. Inspect each shock absorber for external fluid leakage. Is a strut or shock absorber leaking? If yes, go to step  7 . If no, go to next step.
  4. Inspect the vehicle trim height in order to correct any possible causes of shock/strut failures. Refer to TRIM HEIGHT INSPECTION PROCEDURE  . Is the vehicle trim height correct? If yes, go to next step. If no, go to step  6 .
  5. Use your hands in order to lift up and push down each corner of the vehicle 3 times. Remove your hands from the vehicle. Does the vehicle stop bouncing after 2 cycles? If yes, go to step  8 . If no, go to step  7 .
  6. Replace the front spring or the rear spring. Refer to Front Suspension . After repairs, go to step  8 .
  7. Replace the shock absorber. After repairs, go to next step.
  8. 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 .
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