DEFINITION: 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.

Road test the vehicle in order to verify the customer concern. Ensure that the customer complaint is the suspension bottoming and not only a noise.

Does the suspension bottom abnormally easy when the vehicle is driven over bumps?

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Go to Step 2

System OK

1. Test for vehicle overloading. Refer to Tire Placard in Maintenance and Lubrication.
2. If necessary, remove the excess weight from the vehicle.
3. Road test the vehicle in order to verify the customer concern.

Does the customer concern still exist?

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Go to Step 3

System OK

1. Inspect the vehicle trim height. Refer to Trim Height Inspection .
2. Repair as necessary.

Does the customer concern still exist?

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Go to Step 4

System OK

1. Inspect the struts and shock absorbers. Refer to Suspension Strut and Shock Absorber Testing - On Vehicle .
2. Replace the components as necessary.

Does the customer concern still exist?

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Go to Step 1

System OK