DEFINITION: Vehicle pulls to one side only when braking.

Were you sent here from the Hydraulic Brake Symptom table?

Go to Step 2

Go to Symptoms - Hydraulic Brakes

1. Inspect the brake hydraulic and assist systems for the following conditions:

•	Kinked, pinched or damaged brake pipe or flexible brake hose

•	Sticking or improperly operating calliper piston

•	Brake fluid leak

2. Perform the entire brake and hydraulic assist system diagnostic procedure. Refer to Brake Hydraulic and Assist System Diagnosis .
3. Adjust, repair or replace components as necessary.

Did you find and correct a condition?

Go to Step 7

Go to Step 3

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

•	Contaminated linings

•	Glazed linings

•	Distorted, cracked or damaged linings on one side

•	Loose, damaged or missing calliper hardware and/or lining hardware

•	Incorrect linings on one side

•	Hard spots, heat checks, blueing discolouration of disc friction surfaces; possibly due to brake drag

•	Glazed disc friction surfaces

•	Bent or damaged calliper or mounting component

2. Perform the disc brake system diagnostic procedure. Refer to Disc Brake System Diagnosis .
3. Adjust, repair or replace components as necessary.

Did you find and correct a condition?

Go to Step 7

Go to Step 4

4

1. Inspect the suspension system for the following conditions.

•	Incorrect tyre pressures

•	Loose suspension component connections

•	Excessively worn or damaged suspension components

2. Adjust, repair or replace components as necessary.

Did you find and correct a condition?

Go to Step 7

Go to Step 5

5

1. Inspect the steering system for the following conditions.

•	Loose steering component connections

•	Excessively worn or damaged steering components

2. Adjust, repair or replace components as necessary.

Did you find and correct a condition?

Go to Step 7

Go to Step 6

1. Replace the brake master cylinder for an improperly functioning secondary circuit. Refer to Master Cylinder Replacement .
2. Pressure bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding : Pressure .
3. Perform the entire Antilock Brake System Automated Bleed .

Did you find and correct a condition?

Go to Step 7

Go to Symptoms - Hydraulic Brakes

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