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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1455 (Suspension System General Diagnosis) >> Diagnostic Information and Procedures >> Struts or Shock Absorbers On-Vehicle Testing

Struts or Shock Absorbers On-Vehicle Testing

WARNING: This page is about a different car, the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Struts or Shock Absorbers On-Vehicle Testing

Step Action Yes No
1 Did you review the General Description and perform the necessary inspections? Go to Step 2  Go to Symptoms - Suspension General Diagnosis 
2 Verify that the customer's concern is present.
Does the vehicle operate normally?		 System OK Go to Step 3 
3
IMPORTANT: A light film of oil on the top portion of the shock reservoir is normal.
Inspect each shock absorber for external fluid leakage.Is a shock absorber leaking?		 Go to Step 5  Go to Step 4 
4
  1. Use your hands in order to lift up and push down each corner of the vehicle 3 times.
  2. Remove your hands from the vehicle.
  3. Locate a shock that exceeds 2 cycles.
Did you locate shock that exceeds 2 cycles?		 Go to Step 5  Go to Step 6 
5
IMPORTANT: Inspect the vehicle trim height in order to correct any possible causes of shock/strut failures. Refer to Trim Height Inspection Procedure  .
Replace the shock absorber. Refer to Shock Module Replacement or Shock, Shock Component, and/or Spring Replacement in Front Suspension or Shock Absorber Replacement in Rear Suspension.Did you complete the repair?		 Go to Step 6  -
6 Operate the vehicle in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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