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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1941 (Hydraulic Brake System) >> Diagnostic Information and Procedures >> Braking Action Uneven - Pulls to One Side (With RPO HP5) >> Test Description

Test Description

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

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 brake hydraulic and assist systems 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 entire brake and hydraulic assist system diagnostic procedure. Refer to Brake Hydraulic and Assist System Diagnosis (Two-mode Hybrid) .
  3. Adjust, repair or replace components as necessary.
Did you find and correct a condition?		 Go to Step 7  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. Refer to Disc Brake System Diagnosis .
  3. Adjust, repair or replace components as necessary.
Did you find and correct a condition?		 Go to Step 7  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. Refer to Symptoms - Suspension General Diagnosis .
Did you find and correct a condition?		 Go to Step 7  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. Refer to Symptoms - Power Steering System (with HPS) or Symptoms - Power Steering System (with EPS) .
Did you find and correct a condition?		 Go to Step 7  Go to Step 6 
6
  1. Replace the brake master cylinder for an improperly functioning secondary circuit. Refer to Master Cylinder Replacement (Without RPO HP5)  or Master Cylinder Replacement (With RPO HP5) .
  2. Pressure bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual)  or Hydraulic Brake System Bleeding (Pressure) .
  3. Perform the entire Antilock Brake System Automated Bleed Procedure .
Did you find and correct a condition?		 Go to Step 7  Go to Symptoms - Hydraulic Brakes 
7
  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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