GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Hydraulic Brake Diagnostic System Check performed?

--

Go to Step 2

Go to Hydraulic Brake Diagnostic System Check

2

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

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

Refer to Brake Pad Inspection in Disc Brakes.

Do any of the above conditions exist?

--

Go to Step 3

Go to Step 4

3

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

Is the repair complete?

--

Go to Hydraulic Brake Diagnostic System Check

--

4

Inspect the brake rotors for the following

    • Hot spots
    • Scored rotor surface
    • Grooved rotor surface

Refer to Brake Rotor Lateral Runout Check .

Do any of the above conditions exist?

--

Go to Step 5

Go to Step 6

5

  1. Refinish the brake rotor. Refer to Brake Rotor Refinishing in Disc Brakes.
  2. If refinishing the brake rotor results in a thickness that is less than the thinnest (Refinishing) thickness, replace the rotor. Refer to Brake Rotor Replacement in Disc Brakes.

Is the repair complete?

--

Go to Hydraulic Brake Diagnostic System Check

--

6

Inspect brake assembly for loose, broken, or missing components. Refer to Brake Pad Inspection in Disc Brake.

Are there any loose, broken, or missing brake assembly components?

--

Go to Step 7

Go to Step 8

7

Tighten or replace the loose, broken or missing brake assembly components.

Is the repair complete?

--

Go to Hydraulic Brake Diagnostic System Check

--

8

Verify proper brake system operation.

Does the original condition still exist?

--

Go to Step 1

System OK