GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Road test the vehicle in order to verify the customer concern.

Important: It may be necessary to compare the results of the road test to a similar vehicle that is operating properly.

Does the vehicle ride too hard?

--

Go to Step 2

System OK

2

Inspect the tires for the proper inflation pressure. Refer to Tire Inflation Pressure Specifications in Maintenance and Lubrication.

Is the tire inflation pressure correct?

--

Go to Step 4

Go to Step 3

3

Inflate the tires to the correct pressure.

Did you complete the repair?

--

Go to Step 4

--

4

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

Did you complete the procedure?

--

Go to Step 5

--

5

Inspect the following suspension components for wear or damage.

    • Springs
    • Struts
    • Shock Absorbers

Refer to Suspension Strut and Shock Absorber Testing - On Vehicle .

Are any of the components worn or damaged?

--

Go to Step 6

Go to Step 7

6

Replace all of the worn or damaged components. Refer to the following procedures:

    •  Strut, Strut Component, and Spring Replacement in Front Suspension
    •  Shock Absorber Replacement in Rear Suspension
    •  Lower Control Arm Replacement in Rear Suspension

Did you complete the repair?

--

Go to Step 7

--

7

  1. Inspect the automatic level control system, if equipped. Refer to Automatic Level Control System Operation Check in Automatic Level Control.
  2. Repair as necessary.

Did you complete the procedure?

--

Go to Step 1

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