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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 >> Suspension Bottoms

Suspension Bottoms

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.

DEFINITION: A loud bang or thump that can usually be felt and/or heard when the vehicle is driven over bumps. This condition is commonly noticed when the vehicle trim height is too low.

  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 suspension bottoms. Does the vehicle operate normally? If yes, system okay. If no, go to next step.
  3. Check for vehicle overloading and correct the overloading condition as necessary. Did you find and correct the condition? If yes, go to step  9 . If no, go to next step.
  4. Inspect the vehicle trim height. Refer to TRIM HEIGHT INSPECTION PROCEDURE  . Is the vehicle trim height incorrect? If yes, go to step  7 . If no, go to next step.
  5. Inspect the struts, shock absorbers, or coil springs for damage or wear and repair as necessary. Are the components in need of replacement? If yes, go to step  8 . If no, go to step  9 .
  6. Remove the excess weight from the vehicle. Did you remove the excess weight from the vehicle? If yes, go to step  9 .
  7. Correct the vehicle trim height. Refer to TRIM HEIGHT INSPECTION PROCEDURE  . After repairs, go to step  9 .
  8. Replace the components as necessary. After repairs, go to step  9 .
  9. 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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