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Brake System Slow Release

Step

Action

Yes

No

DEFINITION: Brake system releases and returns to rest slowly; vehicle motion is hindered by brake system briefly after release of brake pedal.

1

Were you sent here from the Hydraulic Brake Symptom table?

Go to Step 2

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2

  1. Inspect the hydraulic brake system for the following conditions:
  2. • Improper operation of wheel cylinder pistons, if equipped
    • Improper operation of calliper pistons
    • Internally damaged flexible brake hoses; hindering brake release
    • Contaminated brake fluid
    • Damaged or improperly operating master cylinder
  3. Adjust, repair or replace components as necessary. Refer to Hydraulic Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 3

3

  1. Inspect the brake assist system for the following conditions:
  2. • 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
  3. Adjust, repair or replace components as necessary. Refer to Brake Assist System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 4

4

  1. Inspect the drum brake system, if equipped, for the following conditions:
  2. • Weak or damaged return spring or springs
    • Distorted or damaged linings
    • Out of round or damaged drum
    • Lack of lubrication on backing plate
    • Distorted or damaged backing plate
  3. Adjust, repair or replace components as necessary. Refer to Drum Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 6

Go to Step 5

5

  1. Inspect the disc brake system for the following conditions:
  2. • Damaged or excessively worn calliper hardware and/or lining hardware
    • Distorted or damaged linings
    • Lack of lubrication or excessive corrosion on metal to metal contact surfaces
    • Bent or damaged calliper or mounting component
  3. Adjust, repair or replace components as necessary. Refer to Disc Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 6

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6

  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

   


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