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HOMESERVICE MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 82 (HYDRAULIC BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESBRAKE SYSTEM SLOW RELEASE
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol

Brake System Slow Release

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Brake System Slow Release
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
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 system for the following conditions:
    • Improper operation of wheel cylinder pistons, if equipped
    • 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 6  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 6  Go to Step 4 
4
  1. Inspect the drum brake system, if equipped, for the following conditions:
    • 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
  2. 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:
    • 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 6  Go to Symptoms - Hydraulic Brakes 
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
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.