GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Hydraulic Brake Diagnostic System Check?

--

Go to Step 2

Go to Hydraulic Brake Diagnostic System Check

2

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

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

Did you find a condition?

--

Go to Step 3

Go to Step 4

3

Replace the brake linings. Refer to the following procedures:

    •  Front Disc Brake Pads Replacement in Disc Brakes
    •  Rear Disc Brake Pads Replacement in Disc Brakes
    •  Brake Shoe Replacement in Drum Brakes

Did you complete the repair?

--

Go to Hydraulic Brake Diagnostic System Check

--

4

Inspect the brake rotors for the following conditions:

    • Hot spots
    • Scored rotor surface
    • Grooved rotor surface

Refer to Brake Rotor Lateral Runout Check .

Did you find a condition?

--

Go to Step 5

Go to Step 6

5

  1. Refinish the 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 Front Brake Rotor Replacement or Rear Brake Rotor Replacement in Disc Brakes.

Did you complete the repair?

--

Go to Hydraulic Brake Diagnostic System Check

--

6

Inspect brake assembly for loose, broken or missing attachments. Refer to Brake Pad Inspection in Disc Brakes or Brake Shoe Inspection in Drum Brakes.

Did you find a condition?

--

Go to Step 7

Go to Step 8

7

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

Did you complete the repair?

--

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