Test Description
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, 2004 Chevrolet Cab & Chassis Silverado, and 2003 GMC Sierra. 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:
- 2: Suspension components that are not operating properly may cause a disturbance to the vehicle during application of the brake system.
- 3: Antilock brake system operation could produce feedback through the brake pedal during application of the brake system.
Brake Pulsation
| 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
in Suspension General Diagnosis. Did you find and correct a condition? |
Go to Step 6 | Go to Step 3 |
| 3 | Inspect the antilock brake system for proper operation. Refer to Diagnostic Starting Point - Antilock Brake System
in Antilock Brake System. Did you find and correct a condition? |
Go to Step 6 | Go to Step 4 |
| 4 | Inspect the disc brake system for proper operation. Refer to Disc Brake System Diagnosis . Did you find and correct a condition? |
Go to Step 6 | Go to Step 5 |
| 5 | Inspect the hydraulic brake system for proper operation. Refer to Hydraulic Brake System Diagnosis . Did you find and correct a condition? |
Go to Step 6 | Go to Diagnostic Starting Point - Hydraulic Brakes |
| 6 | 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 |