Warning Signs Your Electric Vacuum Pump is Failing
- Reduced braking power, especially when stopping quickly.
- A "brake" or "ABS" warning light on your dashboard.
- The engine running rough or stalling.
- A hissing or whining noise coming from the engine area.
- Difficulty starting the engine.
How to Test if This Part is the Problem
- Check the vacuum lines connected to the pump for cracks or leaks. Replace any damaged lines.
- Use a vacuum gauge to test the pump's output. Compare the reading to the manufacturer's specifications. A low reading indicates a faulty pump.
- Listen to the pump when the engine is running. An unusually loud or erratic noise can mean the pump is failing.
- If possible, use a diagnostic scan tool to check for error codes related to the vacuum system.
- Inspect the electrical connector for corrosion or damage.
Common Failure Causes for This Part
- Normal wear and tear over time.
- Contamination from oil or other fluids.
- Electrical issues, such as a short circuit or voltage drop.
- Overheating due to prolonged use.
- Damage from accidents or impacts.