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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Diagnostic Information and Procedures >> Braking Action Uneven - Pulls to One Side >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 4 

    Suspension components that are not operating properly may cause a disturbance to the vehicle during application of the brake system.

  2. 5 

    Steering components that are not operating properly may cause a disturbance to the vehicle during application of the brake system.

Step Action Yes No
DEFINITION: Vehicle pulls to one side only when braking.
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.
    • Kinked, pinched or damaged brake pipe or flexible brake hose
    • Sticking or improperly operating caliper piston
    • Brake fluid leak
  2. Perform the hydraulic brake system diagnostic procedure. Hydraulic Brake System Diagnosis 
  3. Adjust, repair or replace components as necessary.
Did you find and correct a condition?		 Go to Step 6  Go to Step 3 
3
  1. Inspect the disc brake system for the following conditions.
    • Contaminated linings
    • Glazed linings
    • Distorted, cracked or damaged linings on one side
    • Loose, damaged or missing caliper hardware and/or lining hardware
    • Incorrect linings on one side
    • Hard spots, heat checks, blueing discoloration of rotor friction surfaces; possibly due to brake drag
    • Glazed rotor friction surfaces
    • Bent or damaged caliper or mounting component
  2. Perform the disc brake system diagnostic procedure. Disc Brake System Diagnosis 
  3. Adjust, repair or replace components as necessary.
Did you find and correct a condition?		 Go to Step 6  Go to Step 4 
4 
  1. Inspect the suspension system for the following conditions.
    • Incorrect tire pressures
    • Loose suspension component connections
    • Excessively worn or damaged suspension components
  2. Adjust, repair or replace components as necessary. Symptoms - Suspension General Diagnosis
Did you find and correct a condition?		 Go to Step 6  Go to Step 5 
5 
  1. Inspect the steering system for the following conditions.
    • Loose steering component connections
    • Excessively worn or damaged steering components
  2. Adjust, repair or replace components as necessary. Symptoms - Power Steering System
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. Brake System Vehicle Road Test 
Is the condition still present?		 Go to Step 2  System OK
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