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 number below refers to the step number 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.
Braking Action Uneven - Front to Rear
| 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 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 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 brake assist system for proper operation. Refer to Brake Assist System Diagnosis (Vacuum Assist) or Brake Assist System Diagnosis (Hydraulic Assist) . 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 |