Brake System Slow Release
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
| Step |
Action |
Yes |
No |
| DEFINITION: Brake system releases and returns to rest slowly; vehicle motion is hindered by brake system briefly after release of brake pedal. |
| 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 hydraulic brake system for the following conditions:
- Improper operation of caliper pistons
- Internally damaged flexible brake hoses; hindering brake release
- Contaminated brake fluid
- Damaged or improperly operating master cylinder
- Adjust, repair or replace components as necessary. Refer to Hydraulic Brake System Diagnosis (Non-Hybrid) or Hydraulic Brake System Diagnosis (Two-mode Hybrid) .
Did you find and correct a condition? |
Go to Step 5 |
Go to Step 3 |
| 3 |
- Inspect the brake assist system for the following conditions:
- Binding, bent or damaged pedal pushrod, pedal, or pedal bracket
- Damaged or improperly operating vacuum booster, if equipped
- Restricted return hose from hydraulic booster, if equipped
- Damaged or improperly operating hydraulic booster, if equipped
- Adjust, repair or replace components as necessary. 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 5 |
Go to Step 4 |
| 4 |
- Inspect the disc brake system for the following conditions:
- Damaged or excessively worn caliper hardware and/or lining hardware
- Distorted or damaged linings
- Lack of lubrication or excessive corrosion on metal to metal contact surfaces
- Bent or damaged caliper or mounting component
- Adjust, repair or replace components as necessary. Refer to Disc Brake System Diagnosis .
Did you find and correct a condition? |
Go to Step 5 |
Go to Diagnostic Starting Point - Hydraulic Brakes |
| 5 |
- Install or connect components that were removed or disconnected during diagnosis.
- 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 |