Test Description
WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refers 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) - Anti-lock brake system operation could produce feedback through the brake pedal during application of the brake system.
Brake Pulsation Diagnosis
| 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 . Did you find and correct a condition? | Go to Step 7 | Go to Step 3 |
| 3 | Inspect the anti-lock brake system for proper operation. Refer to DIAGNOSTIC STARTING POINT - ANTI-LOCK BRAKE S . Did you find and correct a condition? | Go to Step 7 | 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 7 | Go to Step 5 |
| 5 | 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 Step 6 |
| 6 | 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 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 |