For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
DEFINITION: Brake pedal requires an increased amount of input from the driver to obtain good braking action and/or stopping distance is increased.
1 | Were you sent here from the Hydraulic Brake Symptom table? | Go to Step 2 | Go to Symptoms - Hydraulic Brakes
2 |

1. Inspect the brake assist system for the following conditions:

• | Vacuum leaks, if equipped with vacuum power assist

• | Lack of lubrication, binding or excessively worn pushrod or pedal pivots or pivot bushings

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

• | Damaged or improperly operating brake booster assembly

2. Adjust, repair or replace components as necessary.

Did you find and correct a condition?

Go to Step 5

Go to Step 3

3 |

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

• | Binding caliper pistons

• | Internally damaged flexible brake hoses; hindering fluid flow

• | Kinked or damaged flexible brake hoses and/or pipes

• | Internal brake fluid leaks; improperly operating master cylinder

• | Poor brake fluid quality; low boiling point

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

Did you find and correct a condition?

Go to Step 5

Go to Step 4

4 |

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

• | Excessively worn linings

• | Glazed linings

• | Cracked, distorted or damaged linings

• | Contaminated linings

• | Binding, damaged or excessively worn caliper hardware and/or lining hardware

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

• | Excessively worn or corroded rotor friction surfaces

• | Glazed rotor friction surfaces

• | Hard spots, heat checks, blueing discoloration of rotor friction surfaces

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

Did you find and correct a condition?

Go to Step 5

Go to Symptoms - Hydraulic Brakes

5 |

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