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Brake System Slow Release

Brake System Slow Release


Step Action Yes No
DEFINITION: Brake system releases and returns to rest slowly. Vehicle motion is hindered briefly after release of the brake pedal.
1
Were you sent here from the Hydraulic Brake Symptom table? Go to Step 2 Go to Diagnostic Starting Point - Vehicle
2

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

• Improper operation of caliper pistons

• Internally damaged flexible brake hoses; hindering brake release

• Contaminated brake fluid

• Damaged or improperly operating master cylinder

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 3
3

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

• Binding, bent or damaged pedal pushrod, pedal, or pedal bracket

• Damaged or improperly operating vacuum booster, if equipped

• Restricted return hose from hydraulic booster, if equipped

• Damaged or improperly operating hydraulic booster, if equipped

2. Adjust, repair or replace components as necessary. Refer to Brake Assist 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:

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

• Distorted or damaged linings

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

• Bent or damaged caliper 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 5 Go to Diagnostic Starting Point - Vehicle
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