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Home >> Chevrolet >> 2018 >> Volt Premier >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> 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 by brake system briefly after release of brake pedal.
1 Were you sent here from the Hydraulic Brake Symptom table? Go to Step 2  Go to Symptoms - Hydraulic Brakes 
2
  1. Inspect the hydraulic brake and assist 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
    • Damaged or improperly operating hydraulic booster, if equipped
    • Binding, bent or damaged pedal pushrod, pedal, or pedal bracket
  2. Adjust, repair or replace components as necessary. Hydraulic Brake System Diagnosis 
Did you find and correct a condition?
Go to Step 4  Go to Step 3 
3
  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. Disc Brake System Diagnosis 
Did you find and correct a condition?
Go to Step 4  Go to Symptoms - Hydraulic Brakes 
4
  1. Install or connect components that were removed or disconnected during diagnosis.
  2. Road test the vehicle in order to confirm proper operation. Brake System Vehicle Road Test 
Is the condition still present?
Go to Step 2  System OK