GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Check for a worn or damaged wheel bearing. Refer to Diagnosis in Steering, Suspension, Tires and Wheels.

Are any of the wheel bearings worn or damaged?

--

Go to Step 2

Go to Step 3

2

Service or replace the faulty wheel bearing.

Did the vibration stop?

--

System OK

Go to Step 3

3

Check for a worn or damaged drive axle joint. Refer to Wheel Drive Shaft Outer Joint and Boot Replacement in Wheel Drive Shafts.

Is a drive axle joint worn or damaged?

--

Go to Step 4

Go to Step 5

4

Repair or replace the faulty drive axle joint. Refer to Wheel Drive Shaft Outer Joint and Boot Replacement in Wheel Drive Shafts.

Did the vibration stop?

--

System OK

Go to Step 5

5

  1. Check for out of round tires. Refer to Tire and Wheel Inspection in Vibration Diagnosis and Correction.
  2. Add air to or replace tires.

Did the vibration stop?

--

System OK

Go to Step 6

6

  1. Check for tire unbalance. Refer to Tire and Wheel Balancing in Vibration Diagnosis and Correction.
  2. Rotate or service tires.

Did the vibration stop?

--

System OK

Go to Step 7

7

Check for worn drive axle C/V joint. Refer to Outer C/V Joint and Seal Assembly in Drive Axle Unit Repair.

Is the joint worn or damaged?

--

Go to Step 8

Go to Step 9

8

Repair or replace the C/V joint.

Did the vibration stop?

--

System OK

Go to Step 9

9

  1. Check for correct drive axle trim height. Refer to Trim Height Specifications in Suspension General Diagnosis.
  2. Adjust trim height as necessary.

Did the vibration stop?

--

System OK

Go to Noisy in All Gears