DEFINITION: Vehicle exhibits abnormal noise when braking; vehicle may exhibit abnormal noise during motion just after brake pedal release.

Were you sent here from the Hydraulic Brake Symptom table?

Go to Step 2

Go to Diagnostic Starting Point - Vehicle

1. Inspect the disc brake system for the following conditions.

•	Lining wear indicator contact with disc

•	Debris trapped between disc and splash shield or backing plate; and/or debris trapped between disc and linings

•	Contaminated linings

•	Aftermarket linings

•	Glazed linings

•	Distorted, cracked or damaged linings

•	Excessively worn linings

•	Damaged or excessively worn calliper hardware and/or lining hardware

•	Incorrectly installed, loose or missing calliper hardware and/or lining hardware

•	Lack of lubrication or excessive corrosion on metal to metal contact surfaces

•	Bent or damaged splash shield or backing plate

•	Hard spots, heat checks, blueing discolouration of disc friction surfaces

•	Glazed disc friction surfaces

•	Bent or damaged calliper or mounting component

2. Adjust, repair or replace components as necessary. Refer to Disc Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 3

1. Inspect the brake apply system for the following conditions.

•	Lack of lubrication or excessively worn pushrod or pedal pivots or pivot bushes

•	Bent or damaged pedal pushrod, pedal, or pedal bracket

2. Adjust, repair or replace components as necessary. Refer to Brake Hydraulic and Assist System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 4

1. Inspect the hydraulic brake system for the following conditions.

•	Improper operation of calliper pistons

•	Contaminated brake fluid

2. Adjust, repair or replace components as necessary. Refer to Brake Hydraulic and Assist System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 5

Inspect the hand brake system for proper operation. Refer to Hand brake System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Diagnostic Starting Point - Vehicle

1. Install or connect components that were removed or disconnected during diagnosis.
2. Road test the vehicle in order to confirm proper operation. Refer to Brake System Vehicle Road Test .

Is the condition still present?

Go to Step 2

System OK