GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Hydraulic Brake System Diagnostic Check performed?

--

Go to Step 2

Go to Hydraulic Brake Diagnostic System Check

2

Inspect the front suspension for loose or missing components.

Are there any loose or missing components?

--

Go to Step 3

Go to Step 4

3

Tighten, repair or replace missing the components as necessary. Refer to Fastener Tightening Specifications in Front Suspension.

Is the repair complete?

-

Go to Step 8

--

4

Inspect the disc brake pads and brake shoe linings for the following:

    • Excessive wear
    • Uneven wear
    • Abuse
    • Glazing
    • Contaminated lining material
    • Incorrect lining material

Do any of the above conditions apply?

--

Go to Step 5

Go to Step 6

5

Replace the brake linings. Refer to Brake Pads Replacement in Disc Brakes or Brake Lining Replacement in Drum Brakes.

Is the repair complete?

--

Go to Step 8

--

6

Check the wheel assemblies for out of balance condition.

Are any of the wheel assemblies out of balance?

--

Go to Step 7

Go to Hydraulic Brake Diagnostic System Check

7

Balance the wheel assembly. Refer to Tire and Wheel Balancing in Vibration Diagnosis and Correction.

Is the repair complete?

--

Go to Step 8

--

8

Verify proper brake system operation.

Does the original condition still exist?

--

Go to Step 1

Go to Hydraulic Brake Diagnostic System Check