GM Service Manual Online
For 1990-2009 cars only

Test Description

The numbers below refers to the step numbers on the diagnostic table:

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

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

Step

Action

Yes

No

1

Were you sent here from the Hydraulic Brake Symptom Table?

Go to Step 2

Go to Diagnostic Starting Point - Hydraulic Brakes

2

Inspect the suspension system for proper operation. Refer to Diagnostic Starting Point - Suspension General Diagnosis .

Did you find and correct a condition?

Go to Step 7

Go to Step 3

3

Inspect the steering system for proper operation. Refer to Diagnostic Starting Point - Power Steering System .

Did you find and correct a condition?

Go to Step 7

Go to Step 4

4

Inspect the hydraulic brake system for proper operation. Refer to Hydraulic Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 7

Go to Step 5

5

Inspect the disc brake system for proper operation. Refer to Disc Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 7

Go to Step 6

6

Inspect the drum brake system for proper operation. Refer to Drum Brake System Diagnosis .

Did you find and correct a condition?

Go to Step 7

Go to Diagnostic Starting Point - Hydraulic Brakes

7

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