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Home >> Chevrolet >> 2002 >> Chevy Express G1500, Van Cargo, 4.3 W >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - General Diagnosis >> Diagnostic Information And Procedures >> Suspension Bottoms

Suspension Bottoms

NOTE: 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 step  2 . If no, go to SYMPTOMS - SUSPENSION GENERAL DIAGNOSIS  .
  2. Verify that the suspension bottoms. Does the vehicle operate normally? If yes, system is OK. If no, go to step  3 .
  3. Check for vehicle overloading. Refer to Vehicle Certification Label. Is the vehicle overloaded? If yes, go to step  6 . If no, go to step  4 .
  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 step  5 .
  5. Inspect the struts and shock absorbers. Refer to STRUTS OR SHOCK ABSORBERS ON-VEHICLE TESTING  . 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 are complete, go to step  9 .
  8. Replace the components as necessary. After repairs are complete, go to step  9 .
  9. Operate the vehicle in order to verify the repair. Did you correct the condition? If yes, system is OK. If no, go to step  3 .
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