On Vehicle Testing

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION On Vehicle Testing
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. 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? See DESCRIPTIONΒ  and VISUAL/PHYSICAL INSPECTIONΒ  . Go to next step.
  2. Verify that the malfunction is present. Go to next step.
  3. NOTE: A light film of oil on the top portion of the reservoir is normal.
  4. Inspect each strut or shock absorber for external fluid leakage. If shock absorber is leaking, go to step Β 7 . If shock absorber is not leaking, go to next step.
  5. Inspect the vehicle trim height. See ELECTRONIC - LEVEL CONTROL. After completing trim height inspection and adjustment. If trim height is not correct, repair and recheck system for normal operation.
  6. Use your hands in order to lift up and push down each corner of the vehicle 3 times. Remove your hands from the vehicle. If vehicle stops bouncing after two cycles, go to step Β 8 . If vehicle does not stop bouncing after two cycles, go to step Β 7 .
  7. Replace the front spring or the rear spring. See STRUT ASSEMBLYΒ  .
  8. Replace the strut or shock absorber. See STRUT ASSEMBLYΒ  .
  9. Road test vehicle to verify repair.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.