Operational and Functional Checks: Notes

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Notes
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If the vehicle has been in a collision, refer to Repairs and Inspections Required After a CollisionΒ  for additional information.

Perform the following inspection of the driver and passenger seat:

  1. Turn the ignition switch to the ON position. Verify proper operation of the seat belt reminder lamp with the belt buckled and with the belt unbuckled. Refer to Seat Belt System Description and OperationΒ .
  2. Inspect the shoulder belt guide in order to ensure that the following conditions are met:
    • The seat belt webbing is seated flat in the guide slot.
    • The seat belt webbing does not bind.
  3. Verify that the seat belt buckle faces inboard and is accessible.
  4. Verify that the seat belt retractor units are securely attached.
  5. Verify that the seat belt anchor bolts are secure.
  6. Fully extend the seat belt webbing. Verify that the seat belt webbing does not have any twists or tears.
  7. Allow the seat belt webbing to retract. Verify that the seat belt webbing returns freely and completely back into the retractor. If the seat belt webbing will not retract, refer to Seat Belt Does Not RetractΒ .
  8. Snap the seat belt latch plate into the buckle.
  9. Sharply tug on the seat belt latch plate and the buckle. Verify that the seat belt latch plate and the buckle remain locked when tugged.
  10. Push the button on the buckle:
    • Verify that the seat belt latch plate releases easily from the buckle.
    • Verify that the button returns to its original position.

Perform the following steps to inspect the left and right rear seat belts:

  1. Inspect the shoulder belt guide in order to ensure that the following conditions are met:
    • The seat belt webbing is seated flat in the guide slot.
    • The seat belt webbing does not bind.
  2. Verify that the seat belt buckle is accessible.
  3. Verify that the seat belt retractor units are securely attached.
  4. Verify that the seat belt anchor bolts are secure.
  5. Fully extend the seat belt webbing. Verify that the seat belt webbing does not have any twists or tears.
  6. Allow the seat belt webbing to retract. Verify that the seat belt webbing returns freely and completely back into the retractor.
  7. Snap the seat belt latch plate into the buckle.
  8. Sharply tug on the seat belt latch plate and the buckle. Verify that the seat belt latch plate and the buckle remain locked when tugged.
  9. Push the button on the buckle:
    • Verify that the seat belt latch plate releases easily from the buckle.
    • Verify that the button returns to its original position.

Perform the following steps to inspect the center rear seat belts:

  1. Verify that the center seat belts are accessible.
  2. Verify that the center seat belt retractor unit is securely attached.
  3. Verify that the seat belt anchor bolts are secure.
  4. Verify that the seat belt buckle anchor bolts are secure.
  5. Fully extend the center seat belt webbing. Verify that the seat belt webbing does not have any twists or tears.
  6. Allow the center seat belt webbing to retract. Verify that the seat belt webbing returns freely and completely back into the retractor.
  7. Snap the seat belt latch plate into the buckle.
  8. Sharply tug on the seat belt latch plate and the buckle. Verify that the seat belt latch plate and the buckle remain locked when tugged.
  9. Use a flat bladed tool and push the release button on the center right seat belt anchor buckle.
  10. Push the release button on the center left seat belt buckle:
    • Verify that the seat belt latch plate releases easily from both buckles.
    • Verify that the buttons return to their original positions.

For information on removal of the rear seats cushions, refer to Rear Seat Cushion Replacement .

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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.