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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension System General Diagnosis >> Diagnostic Information >> Struts Or Shock Absorbers On-Vehicle Testing

Struts Or Shock Absorbers On-Vehicle Testing

  1. Did you review the General Description and perform the necessary inspections? If so, go to next step. If not, go to SYMPTOMS - SUSPENSION GENERAL DIAGNOSIS .
  2. Verify that the customer's concern is present. Does the vehicle operate normally? If so, then system is okay. If not, go to next step.
    NOTE: A light film of oil on the top portion of the shock reservoir is normal.
  3. Inspect each strut or shock absorber for external fluid leakage. Is a strut or shock absorber leaking? If so, go to step  5. If not, go to next step.
  4. Use your hands in order to lift up and push down each corner of the vehicle 3 times. Remove your hands from the vehicle. Locate a shock or strut that exceeds 2 cycles. Did you locate a shock or strut that exceeds 2 cycles? If so, go to next step. If not, go to step  6.
    NOTE: Inspect the vehicle trim height in order to correct any possible causes of shock/strut failures. Refer to TRIM HEIGHT INSPECTION PROCEDURE .
  5. Replace the strut or shock absorber. Refer to SHOCK ABSORBER REPLACEMENT in FRONT SUSPENSION SYSTEM or SHOCK ABSORBER REPLACEMENT . After repair is complete, go to next step.
  6. Operate the vehicle in order to verify the repair. Did you correct the condition? If so, then system is okay. If not, go to step  3.