GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: An unusual noise is suspected in the wheel bearing.

1

Inspect the wheel bearing.

Is the noise caused by a problem in the wheel bearing?

--

Go to Step 2

Correct as required

2

Inspect the front wheel bearing assembly.

Is the noise located in the front wheel bearing?

--

Go to Step 3

Go to Step 4

3

Support the lower control arm and spin wheel with engine.

Is the noise or roughness heard from the drivers seat?

--

Go to Step 6

Noise not from wheel assembly

4

Inspect the rear wheel bearing assembly.

Is the noise located in the rear wheel assembly?

--

Go to Step 5

Go to Step 3

5

Spin the wheel with the wheel spinner.

Is the noise or roughness heard from the drivers seat?

--

Go to Step 6

Noise not from wheel assembly

6

Replace the hub and bearing assembly.

Is the noise gone?

--

System OK

--